KOMATSU KM2503 21N3000120 21N3000121 21N3000122 21N3000123 PC1250 Tack Roller Assembly / Ngwuputa dị arọ EXC Crawler Undercarriage Isi mmalite akụkụ Ụlọ ọrụ na Onye nrụpụta / cqctrack
Akwụkwọ Ọcha Teknụzụ: KOMATSU PC1250 Ọrụ Ngwuputa Ihe Egwu Dị Oké Ibu nke Ngwuputa Bottom Roller Assembly
Nọmba Ntụaka:KM2503, 21N3000120, 21N3000121, 21N3000122, 21N3000123
Isi mmalite nke onye nrụpụta: HELI Machinery Manufacturing Co., Ltd. (CQCTRACK)
1. Nchịkọta Ndị Isi: Ịmepụta Ntọala nke Mmegharị Ngwuputa nke Ultra-Class
N'ihe gbasara igwe e ji gwupụta ihe nke ọma, ihe e ji gwupụta ihe nke ọma bụ njikọ dị n'etiti ikike igwe na nnweta ọrụ. Maka KOMATSU PC1250—igwe nke na-arụ ọrụ mgbe niile n'ókè nke ntachi obi igwe n'ime olulu mepere emepe, nnukwu ọrụ owuwu obodo, na nnukwu ọrụ ịgbapụta ihe—nkwụsi ike nke ihe ọ bụla e ji gwupụta ihe nke ọma na-emetụta oge mmepụta, nchekwa, na ọnụ ahịa zuru oke nke onye nwe ya.
Mgbakọ Roller Bottom Track (nke a na-akpọ Upper Track Roller ma ọ bụ Return Roller) nwere nọmba ntụakaKM2503,21N3000120,21N3000121,21N3000122, 21N3000123bụ ezinụlọ akụrụngwa e mepụtara nke ọma maka usoro KOMATSU PC1250. HELI Machinery Manufacturing Co., Ltd., nke na-arụ ọrụ n'okpuru akara CQCTRACK, emepụtara mgbakọ ndị a ọ bụghị naanị dị ka akụkụ nnọchi kama dị ka ngwọta e mepụtara nke na-edozi ụdị ọdịda na mkpa ọrụ ndị a na-enweta na ngwa ọrụ siri ike.
Akwụkwọ a na-enye nkọwa teknụzụ zuru oke nke ezinụlọ akụkụ a, na-akọwapụta nkà ihe ọmụma injinia, sayensị ihe onwunwe, usoro mmepụta ihe, na usoro nkwenye mma nke na-eme ka mgbakọ ndị a dị iche na onyinye azụmaahịa nkịtị.
2. Nchọpụta Ngwaahịa na Matrix Ndị Na-atụ Aka
Nchọpụta akụkụ ziri ezi bụ nzọụkwụ dị mkpa n'ịzụta akụrụngwa igwu ala dị oke mma. Matrix na-esote na-egosi njikọ dị n'etiti ọnụọgụ ntụaka dị iche iche na ọnọdụ ojiji ha.
| Nhazi nkọwapụta | Nkọwa |
|---|---|
| Nọmba Ntụaka OEM | KM2503, 21N3000120, 21N3000121, 21N3000122, 21N3000123 |
| Ihe Ndị E Ji Mee Ntụaka n'Otu | 21N3000130, 21N3000131, KM2419 (ụdị dị iche iche nwere ike ịgbanwe agbanwe n'ime otu ezinụlọ ngwaahịa) |
| Ụdị Akụkụ | Mgbakọ Roller Carrier / Otu Roller Upper Track / Return Roller |
| Ngwa Isi | KOMATSU PC1250-6, PC1250-7, na ihe ndị yiri ya bụ hydraulic gwupụtara ihe nke ukwuu. |
| Mmalite Mmepụta | HELI Machinery Manufacturing Co., Ltd. (CQCTRACK) – Onye nrụpụta akụrụngwa dị arọ pụrụ iche nke na-arụ ọrụ n'okpuru ụgbọ ala |
| Nkewa Injinịa | Ọkwa Ngwuputa Dị Ike - Emebere maka klaasị ibu ọrụ nke ihe karịrị tọn 100 metric |
3. Ọrụ Ọrụ na Sistemụ Njem N'okpuru Ụgbọala
Ịghọta ọrụ nke mgbakọ roller ebu dị oke mkpa iji ghọta mkpebi injinia ndị na-achịkwa nhazi ya, nhọrọ ihe, na usoro mmepụta ya.
3.1 Ọrụ Ọrụ Ndị Isi
N'ime usoro nhazi chassis nke KOMATSU PC1250, mgbakọ ala nke na-arụ ọrụ atọ dị mkpa nke na-eme ka sistemụ ụgbọ ala dị n'okpuru ya guzosie ike:
- Nkwado Agbụ Okporo Ụzọ Ala: N'okpuru flange elu nke fremu egwu ahụ, ihe ndị na-ebu ibu na-ebu ibu na-agbanwe agbanwe nke ọsọ nloghachi nke agbụ egwu ahụ. Nkwado a na-egbochi oke mkpọtụ nke ga-eme ka parasitic drag dịkwuo elu ma mee ka njikọ na bushings na-agba ọsọ ngwa ngwa.
- Njikwa Nrụgide Ụzọ: Site n'ịkwado eriri elu n'oge dị iche iche, ihe ndị na-ebu ibu na-ejigide usoro nhazi nke ...
- Nduzi na Nhazi Mpụta: Nhazi flange abụọ nke roller ebu na-ejikọta na njikọ okporo ụzọ iji nọgide na-enwe nhazi akụkụ nke ọsọ nlọghachi. Ọrụ nduzi a na-egbochi nkwụsị okporo ụzọ n'oge ntụgharị ma na-ebelata ibufe n'akụkụ nke nwere ike ime ka mmebi dị ngwa na agbụ okporo ụzọ na flanges roller.
3.2 Ọnọdụ Njikọta Sistemụ
Bottom roller na-arụ ọrụ na akụkụ ndị a dị n'okpuru iji mepụta sistemụ iyi agbakọtara ọnụ:
- Mgbakọta Chain Track: Elu ihe eji ebu ihe na-akpọ njikọ track ahụ na-ejikọ azụ, flanges ndị ahụ na-ejikọta akụkụ njikọ ahụ
- Ndị Na-agbagharị Elu (Ndị Na-agbagharị Ala): Kwado ibu ọrụ zuru oke nke igwe ahụ na eriri dị ala
- Wheel Track Idler: Na-enye nduzi na njikọ n'ihu na usoro nrụgide egwu
- Draịvụ Sprocket: Na-ebufe ike ntụgharị site na draịvụ ikpeazụ gaa na agbụ egwu
4. Mwepụ Nkà na ụzụ: Nhazi nke Mgbakọ Roller Carrier KM2503
A na-ekpebi arụmọrụ nke roller ebu ihe n'ọrụ igwu ala site na njikọta synergistic nke sistemụ ndị mejupụtara ya. Nke a na-akọwa nkọwapụta injinia etinyere na usoro mmepụta HELI CQCTRACK.
4.1 Sistemụ Roller na Flange: E ji ya rụọ ọrụ maka iguzogide Abrasion
Ahụ roller ahụ na-anọchite anya njikọ iyi mbụ ma ga-egosipụtakwa ike elu dị oke elu maka iguzogide abrasion na ike isi zuru oke maka nnabata mmetụta.
Nhọrọ Ihe:
- A na-eji usoro ígwè boron nke nwere obere alloyed emepụta ahụ roller ahụ (dịka ọmụmaatụ, ọkwa 40MnB ma ọ bụ ọkwa 50Mn)
- A na-achịkwa paramita ịkpụ ihe iji hazie usoro mkpụrụ osisi ọla na nhazi geometric nke ihe mejupụtara ya, na-emepụta usoro anisotropic nke nwere ike mmetụta dị elu ma e jiri ya tụnyere ihe ndị ọzọ a na-eme ka ọ dị nro.
- Ihe owuwu a e ji ígwè rụọ dị oke mkpa maka klaasị PC1250, ebe ibu mmetụta sitere na ọrụ igwu ala nwere ike gafere 200% nke ibu ọrụ kwụ ọtọ.
Injinia Flange:
- Mgbakọ ahụ nwere usoro nhazi nhazi okpukpu abụọ nke dabara na profaịlụ siri ike.
- A na-eme ka geometry flange dịkwuo mma ka o wee nwee ike ijikọ ya na njikọ njikọ egwu KOMATSU PC1250.
- A na-emepụta ọkpụrụkpụ na akụkụ flange iji belata esemokwu n'oge ntụgharị ma na-ejigide mmachi dị mma n'akụkụ
Usoro Ọgwụgwọ Okpomọkụ Dị Iche Iche:
Ihe a na-eji achịkwa usoro ike induction nke na-emepụta profaịlụ siri ike nke ọma:
| Paramita | Nkọwapụta | Mkpa Injinia |
|---|---|---|
| Ike Elu | 58 – 62 HRC | Ihe mkpuchi siri ike nke iko na-eguzogide nkụcha sitere na silica, ore, na nkume |
| Omimi Ikpe Dị Irè | 8 – 12 mm | Mpaghara siri ike miri emi na-eme ka ike sie ike n'oge ndụ iyi ya niile |
| Isi Ike | 35 – 40 HRC | Isi ductile na-amịkọrọ ibu mmetụta, na-egbochi mgbawa na ọdịda nhazi |
| Ike siri ike nke Flange | Ọgwụgwọ mkpali zuru oke | Elu ákwà dị n'akụkụ na-enweta ike nhata maka ndụ nduzi ogologo oge |
4.2 Nhazi nke igwe na nhazi ihe eji arụ ọrụ nke Shaft
Ogwe osisi na sistemụ ebe a na-agbagharị agbagharị ga-anabata mmegharị ntụgharị na-aga n'ihu ebe ọ na-akwado ibu radial nke na-agbanwe agbanwe n'oge ọrụ igwu ala, njem, na ntụgharị.
Injinia Ọkpụkpọ:
- Ejiri ígwè alloy 40Cr ma ọ bụ 20CrMnTi dị elu rụọ ya
- A na-egweri akwụkwọ ndekọ ihe ndị na-agbagharị agbagharị nke ọma ka ọ dị ka enyo (Ra ≤ 0.4 μm) iji belata esemokwu na njikọ mkpuchi.
- Elu ndị nwere nitride plasma ma ọ bụ nke e ji induction mee na-eguzogide mmebi na mmebi site na kọntaktị ntụgharị.
Sistemụ na-ebu ibu:
- Ọ na-eji bearing roller nwere ogologo okpukpu abụọ ma ọ bụ bushings ọla nchara siri ike, dabere na ụdị dị iche iche dị na ezinụlọ KM2503.
- A na-ahọrọ bearings maka ọkwa ibu dị elu nke dabara na usoro ọrụ PC1250 na usoro ọrụ.
- Aka uwe oghere ziri ezi na-eme ka nhazi dị n'ime na ibugote ya nke ọma, na-ewepụ egwuregwu axial n'okpuru ọnọdụ ọrụ
4.3 Nhazi Akara Elu
Ihe kacha mkpa na-ekpebi ndụ ọrụ nke igwe na-agbagharị agbagharị n'ọrụ igwu ala bụ iguzosi ike n'ezi ihe nke sistemụ mkpuchi ya. Mmetọ ndị a na-abanye—karịsịa site na ájá silica, ọla a gwepịara egwepịa, na obere ihe ndị e ji ígwè rụọ—bụ isi ihe na-akpata ihe karịrị 90% nke mmebi nke ihe ndị dị n'okpuru ụgbọ ala.
HELI CQCTRACK na-eji usoro mkpuchi dị iche iche, nke na-agbanwe nrụgide, nke e mepụtara kpọmkwem maka gburugburu ọrụ siri ike:
| Ogbo egwuregwu | Akụkụ | ọrụ |
|---|---|---|
| Nkebi nke 1 | Ụzọ Labyrinth | Ọdịdị dị mgbagwoju anya na-ewepụta nnukwu ihe dị n'ime centrifugal site na ike centrifugal n'oge ntụgharị. |
| Nkebi nke Abụọ | Ụlọ e ji mmanụ sachaa | Nrụgide dị mma sitere na ngwugwu mmanụ na-emepụta ihe mgbochi siri ike megide mbugharị ihe ruru unyi |
| Nkeji nke 3 | Mgbaaka Uwe Na-ese n'elu mmiri | Mgbaaka ígwè e ji ígwè rụọ na-arụ ọrụ dị ka ihe mgbochi ịchụ àjà, na-echebe akara mbụ site na mmebi anụ ahụ |
| Nkeji nke 4 | Akara egbugbere ọnụ radial nke nwere ihe abụọ | Ejiri HNBR ma ọ bụ FKM elastomer mepụta ihe mgbochi mbụ, nke a na-enye ike site na mmiri garter na-agbanwe agbanwe maka kọntaktị ogwe na-aga n'ihu. |
A na-ejupụta oghere ahụ dum nke e mechiri emechi na nnukwu viscosity, nke nwere ihe mgbakwunye mmanụ siri ike (molybdenum disulfide) nke nwere ike ichebe mmanu ókè n'okpuru nrụgide dị oke njọ.
5. Ike Mmepụta: HELI CQCTRACK dịka Onye Mmepụta Isi Iyi
HELI Machinery Manufacturing Co., Ltd. (CQCTRACK) na-arụ ọrụ dị ka onye nrụpụta jikọtara ọnụ, na-ekewapụ onwe ya na ndị na-ekesa akụkụ na ụlọ ọrụ azụmaahịa site na njikwa kpọmkwem na usoro mmepụta dum.
5.1 Nhazi Njikọta Okirikiri
| Ọkwa Mmepụta | Ike n'ime ụlọ |
|---|---|
| Ebe A Na-esi Nweta Ihe | Nzụta ozugbo site na igwe ígwè a kwadoro yana nkwenye nyocha spectrochemical |
| Ịkpụpụta | Igwe eji emepụta ihe dị ukwuu nke nwere ọtụtụ tọn, nke nwere njikwa usoro mgbasa ọka a na-achịkwa. |
| Ịrụ ọrụ igwe | Ebe ntụgharị CNC dị iche iche na ngwa igwe eji egweri ihe na nkenke ọkwa micron |
| Ọgwụgwọ Okpomọkụ | Igwe ọkụ na-eme ka ọkụ eletrik sie ike ma na-arụ ọrụ nke kọmputa nwere usoro ndekọ usoro dijitalụ |
| Mgbakọ | Mgbakọ ụlọ dị ọcha yana ntinye nke ike na-achịkwa ma na-emechi ihe mkpuchi |
| Nnwale | Nnwale nha, ike, na iguzosi ike n'ezi ihe nke ụlọ |
5.2 Usoro Nkwanye Ùgwù
Sistemụ mma CQCTRACK gụnyere ọnụ ụzọ nlele dị mkpa nke na-ahụ na otu otu na otu ahụ na-adịgide adịgide ma na-enye ohere ịchọta ya nke ọma:
Nkwenye Ihe Na-abata:
- Nyocha Spectrochemical na-enyocha ihe mejupụtara kemịkalụ na nkọwapụta asambodo
- Nnyocha siri ike na nhazi ọka site na nyocha metallographic
Njikwa n'ime usoro:
- Nnyocha 100% nke atụmatụ dị mkpa (roller OD, obosara flange, concentricity bore, profaịlụ seal gland)
- Nlekota oge nke paramita ike induction na njigide ndekọ dijitalụ
Nkwenye Mgbakọ Ikpeazụ:
- Nyocha nke torque ntụgharị na-egosi na ibu ibu na nnwere onwe mmegharị na-ebute ibu
- Nnwale nrụgide mkpuchi na-egosi ikike iwepụ mmetọ
- Nnwale mbibi na-enweghị usoro maka nkwenye profaịlụ siri ike
Sistemụ Nchọgharị:
- Ọnwa iri abụọ na anọ nke njigide dijitalụ maka asambodo ihe, ndekọ ọgwụgwọ okpomọkụ, na akụkọ nyocha
- Nchọpụta nke ebe mmepụta na-enye ohere inyocha ihe kpatara mgbọrọgwụ na nkwenye akwụkwọ ikike
6. Njikọta Injinịa na Mmezi Ngwa
6.1 Usoro Kachasị Mma Maka Ọrụ Maka Njem PC1250
Ndụ ọrụ nke ndị na-ebu ibu na-adabere na paramita ọrụ nke ndị njikwa mmezi nwere ike imeziwanye:
Njikwa Nrụgide Soro:
- Debe usoro egwu ahụ n'ime oke nnabata KOMATSU akọwapụtara maka PC1250
- Nrụgide dị oke elu na-eme ka ibu ibu dịkwuo elu ma na-eme ka uwe roller yi ngwa ngwa
- Enweghị nrụgide zuru oke na-enye ohere ịkụ aka na nhazi na-ezighi ezi nke na-ebufe akụkụ ya na-ada
Ihe Ndị A Na-atụle n'Ebe Njem:
- Belata njem na-aga n'ihu n'oche okwute dị nkọ
- Zere njem ọsọ ọsọ n'elu ebe ndị mebiri emebi ebe a na-eme ka slap track dịkwuo elu
- Hazie ụzọ njem iji belata ohere ịnweta mmiri kwụ ọtọ na mmiri ndị na-anaghị emebi ihe mkpuchi ahụ.
Usoro Nnyocha:
- Nnyocha anya nke iguzosi ike n'ezi ihe nke akara n'oge ọ bụla kwa ụbọchị
- Nlele ntụgharị n'oge oge ọrụ (roller kwesịrị ịgbagharị n'enweghị njikọ)
- Nha nha ọkpụrụkpụ nke flange n'oge a haziri maka nyocha ụgbọ ala n'okpuru ibu
- Ntụnyere nke ụkpụrụ iyi n'ofe ihe niile e ji ebu ibu n'akụkụ abụọ nke igwe ahụ
6.2 Atụmatụ Atụmatụ Ndochi
Maka ọrụ igwu ala nke na-achịkwa ụgbọ mmiri PC1250, atụmatụ nnọchi anya na-enye ọnụ ahịa zuru oke nke onye nwe ya:
| Ntụle | Nkwanye |
|---|---|
| Nchịkọta Nnọchi | Dochie ihe niile e ji ebu ibu n'otu akụkụ n'otu oge iji nọgide na-enwe usoro egwuregwu na-aga n'ihu. |
| Mmekọrịta Sistemụ | Hazie mgbanwe nke roller ụgbọelu site na iji usoro track yinye, sprocket, na nnọchi idler iji hụ na ha na-eyi n'otu akụkụ niile |
| Mgbochi Ụdị Ọdịda | Dochie ya nke ọma tupu ọdachi dakwasị ya iji zere mmebi ihe onwunwe na akụkụ nke ihe ndị na-eme ka ihe dị n'etiti ya dị n'etiti usoro na ihe ndị na-eme ka ọ dị n'otu. |
| Akwụkwọ ikike | Debe ndekọ nrụnye ma debe nkwakọ ngwaahịa mbụ maka ịchọta akwụkwọ ikike |
7. Atụmatụ Uru Maka Ọrụ Ngwuputa
7.1 Ebumnuche Akụnụba Maka Nhọrọ Ndị Mmepụta Isi Iyi
Ịzụta ihe eji ebu ibu n'okpuru ụgbọ ala site n'aka onye nrụpụta raara onwe ya nye dịka HELI CQCTRACK nwere uru dị iche iche karịa ma ọwa OEM na nke azụmaahịa nkịtị:
| Ihe kpatara ya | Ebe a na-esi enweta OEM | Ahịa Aftermarket | HELI CQCTRACK |
|---|---|---|---|
| Nhazi Ọnụ Ego | Ọnụ ahịa dị elu yana akara nkesa | Ọnụ ego mbụ na-agbanwe agbanwe, na-adịkarị ala, mana ọ na-ebelatakarị ọnụ ahịa mbụ. | Ọnụahịa ndị nrụpụta dị asọmpi, kpọmkwem |
| Njikwa Ogo | Ọ dị elu, mana ọtụtụ mgbe enweghị ihe a na-achọpụta kpọmkwem | Enweghị nkwekọrịta; mgbanwe agbụ ndị na-eweta ngwaahịa | Ejikọtara ya nke ọma na nchụso zuru oke |
| Nkwado ndị teknuzu | Oke na netwọk nkesa | Ọ dịghị otu n'ime ha | Nweta injinia ozugbo maka nyocha ọdịda |
| Iguzosi ike n'usoro ọkọnọ | Dabere na usoro mmepụta OEM | Mgbanwe; dabere na isi mmalite | Njikwa onye nrụpụta ozugbo yana oge ndu a na-atụ anya ya |
| Injinia Ngwa | Edebere ya dịka nkọwapụta ntọala si dị | Emegharịrị ya na-enweghị nkwenye injinia | Ọrụ Ngwuputa ihe nke ọma site na nkwalite ekwenyesiri ike |
7.2 Ngụkọta Ọnụ Ego nke Nyocha Ihe Onwunwe
Maka igwe PC1250 nke na-arụ ọrụ ihe karịrị awa 5,000 kwa afọ na ngwa igwu ala, uru nke ndị nwe ya nke rollers ebula dị mma na-apụta site na:
- Oge ọrụ agbatịkwuru na-ebelata ụgwọ ọrụ mmezi
- Mgbochi mmebi nke ihe mgbochi na-emebi fremu track na sistemu tensioner
- Belata oge ezumike a na-atụghị anya ya site na ọdịda nke nnukwu ihe mberede
- Usoro iyi a na-atụ anya ya na-enyere aka ịhazi nhazi mmezi oge niile
- Mwepụ nke esemokwu akwụkwọ ikike site na nchọcha ederede
8. Mmechi: Ntụkwasị obi Injinịa maka Ọrụ Ngwuputa Dị Elu
Ezinụlọ KOMATSU KM2503 / 21N3000120-21N3000123 Track Roller Assembly, dịka HELI Machinery Manufacturing Co., Ltd. (CQCTRACK) si rụpụta, na-anọchite anya njikọta nke sayensị ihe onwunwe dị elu, nrụpụta nkenke, na injinia kpọmkwem maka ngwa. E mepụtara ya maka mkpa siri ike nke ndị na-egwupụta ihe PC1250 nke na-arụ ọrụ na igwu ala, igwu ala, na owuwu dị arọ, mgbakọ ndị a gụnyere:
- Ihe owuwu ígwè e ji ígwè rụọ nke nwere usoro ọka a na-achịkwa maka iguzogide mmetụta dị elu
- Ike siri ike nke induction nke na-enye ndụ ogologo oge site na profaịlụ siri ike dị iche iche
- E mepụtara usoro ihe owuwu mkpuchi ọtụtụ ogbo iji wepụ ihe ndị na-emebi emebi nke na-akpata ọdịda tupu oge eruo na gburugburu ebe a na-egwupụta ihe ubi
- Nhazi nke a na-ejikọta ọnụ nke ọma na-eme ka a hụ na a na-enyocha ya nke ọma ma na-eme ka ogbe ahụ dịgide otu otu.
- Sistemụ mma asambodo nke na-enye nkwado ederede nke ihe, usoro, na mgbakọ ikpeazụ
Maka ndị njikwa ụgbọ mmiri, ndị injinia mmezi, na ndị ọkachamara n'ịzụta ihe ndị a na-ahụ maka ime ka ndị na-egwupụta ihe na KOMATSU PC1250 dịkwuo mma ma dịkwa ọnụ ala, inweta ihe ndị a na-akpọ roller rollers site n'aka onye nrụpụta pụrụ iche na-enye ụzọ doro anya iji nweta ọnụ ahịa zuru oke nke ndị nwe ha, belata oge ezumike a na-atụghị anya ya, yana nchekwa ọrụ ka mma.
Mgbakwunye: Nchịkọta Nkọwapụta Nkà na ụzụ
| Nkọwapụta | Nkọwa |
|---|---|
| Ụdị Akụkụ | Mgbakọ Roller nke Track Bootom (Lower Roller) |
| Nọmba Ntụaka | KM2503, 21N3000120, 21N3000121, 21N3000122, 21N3000123 |
| Ngwa dakọtara | KOMATSU PC1250-6, PC1250-7, PC1250-8 |
| Owuwu ụlọ | Ígwè alloy e ji ígwè rụọ nke nwere ike itinye n'ime ihe siri ike |
| Ike Elu | 58–62 HRC (elu na flanges na-agba ọsọ) |
| Omimi nke Ikpe | Omimi dị irè nke 8–12 mm |
| Sistemụ Mkpuchi | Labyrinth nwere ọtụtụ ogbo nwere mgbanaka iyi mmiri na-ese n'elu mmiri na akara egbugbere ọnụ radial nke nwere ihe abụọ |
| Mmanụ mmanụ | Mmanụ lithium dị mgbagwoju anya nke e tinyere n'ime ya nke e tinyere ihe mgbakwunye MoS₂ nke e tinyere n'ime ya nke e tinyere n'ime ya nke e tinyere n'ime ya nke nwere oke viscosity dị elu. |
| Onye nrụpụta | Ụlọ Ọrụ Mmepụta Ngwaọrụ HELI, Ltd. (CQCTRACK) |
E bu n'obi akwụkwọ a ka ọ bụrụ ntụaka teknụzụ maka ndị ọkachamara nrụzi ruru eru na ndị ọkachamara n'ịzụta ihe. Nkọwapụta ndị a ga-adị mma mgbe niile, a ga-enyochakwa ha site n'aka onye nrụpụta maka ihe achọrọ maka ngwa.









