Cov rub tawm hydraulic yog txoj kev tshiab zoo tshaj plaws los hloov cov tsoos ruber.
Nws muaj cov yam ntxwv ntawm cov qauv kev ua haujlwm me me, kev siv yooj yim, kev nqa khoom yooj yim thiab kev ua haujlwm, kev siv zog tsawg dua, thiab kev txwv me me los ntawm kev xaib. Nws yog qhov tsim nyog rau ntau qhov chaw tu.
