Nhazi mmeghari maka usoro lubrication ivu - Ntí ụdị mgbanwe a na-eleba anya - Jianhe
Nhazi mmeghari maka usoro lubrication ivu - Nnukwu onye nkesa na - emegharị - JIANHEDEDAIL:
Ihe onyonyo zuru ezu:

Ntuziaka Ngwaahịa metụtara:
Na-adịgide 'elu nnyefe, nnyefe ihe ike, anyị agwụla, anyị na ndị ahịa na-emekọ ihe ọnụ ma nweta ndị ahịa ochie na sistemụ lubrication - Otu onye na - ekenye ya na - arụzi ọrụ - Jianhe, ngwaahịa a ga - enyefe ụwa niile, anyị nwere ngwaahịa kachasị mma, anyị nwere mmepe nke ụlọ ahịa kachasị mma, anyị nwere ezigbo ọrụ teknụzụ, zuru oke mgbe ọrụ ahịa.