Ọnụahịa China obere lubrication Usoro - Họrọ ntuziaka mmanụ lubrication - Jianhe
Ọnụ ego China obere lubrication usoro - "Akwụkwọ ntuziaka mmanụ lubriction - Jianianhedetail:
Ihe onyonyo zuru ezu:
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Ntuziaka Ngwaahịa metụtara:
Ọganihu anyị na-adabere na igwe ọhụụ, nnukwu onyinye na teknụzụ ndị na-ewu ewu na-enyefe ụwa ọnụ, gabis, ezigbo ọnụ ahịa na usoro ndị ọzọ na-eme mara mma. Ngwaahịa anyị na-anabata ngwaahịa anyị niile ma tụkwasị ya obi ma nwee ntụkwasị obi na-aga n'ihu na-agbanwe agbanwe na mkpakọrịta akụ na ụba na mmekọrịta.