Onym dị elu nke engine engine lubrication sistemụ ngwaahịa - DRC Types na-akpaghị aka lubric mmanụ - Jianhe
Onym dị elu nke eriri eji eme njem na sistemụ ngwaahịa ngwa -Dị pịnye akpaaka mmanu mmanu - jiahhedetail:
Ihe onyonyo zuru ezu:

Ntuziaka Ngwaahịa metụtara:
Ihe mmepe anyị na-adabere na akụrụngwa dị elu, nnukwu onyinye ma na-eme ka ndị otu na-eme ihe na-ewu ewu na-eme ka ọ dịkwuo elu. Ihe anyị nwere ọdịdị mara mma, ezigbo ọrụ na ịdị mma ma merie ihe anabataghị ndị ahịa niile n'ụwa niile.