Yog tias muaj kev cuam tshuam rau qhov tsis muaj lub tog raj kheej hauv lub tshuab hluav taws xob diesel teeb, qhov qub tsis muaj lub tog raj kheej yog ib qho teeb meem ntawm lub tshuab hluav taws xob teeb.Lub hom phiaj yog nyob rau ntawm qhov tsis ruaj khov thiab vibrating lub tshuab hluav taws xob, lub suab tsis txuas ntxiv, tsis sib xws, tsis muaj zog, yooj yim tua, Cov pa tawm yog dub sm ...
Nyeem ntxiv