1. Lub tshuab hluav taws xob hydraulic yog dab tsi? Lub tshuab hydraulic yog cov cuab yeej ua tiav uas siv cov roj ua haujlwm nruab nrab, siv lub zog siab ntawm cov roj thiab tswj cov hydraulic actuator los ntawm kev tswj cov li qub thiab lwm yam khoom siv, suav nrog cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab lwm yam.
Nyeem ntxiv