Niaj hnub no, nrog rau kev nthuav dav ntawm cov kav dej txuas ntxiv, ntau lub kav dej accessories kev lag luam cov khoom siv tsis muaj qhov kawg, xws li cov yeeb nkab txuas, hydraulic terminology yog hydraulic system los txuas cov raj xa dej lossis cov raj xa dej rau ntawm cov khoom siv hydraulic ntawm cov khoom, thi. ..
Nyeem ntxiv