题目内容
In a pneumatic system, generally, a muffler should be installed at the exhaust port of the directional control valve ()
查看答案
搜索结果不匹配？点我反馈
更多问题
Pneumatic circuit generally does not have exhaust pipe ( )
Hydraulic transmission is not easy to obtain a large force and torque ( )
The working pressure of the hydraulic motor depends on the load and has nothing to do with its sealing performance ( )
Y-shaped sealing ring is suitable for sealing at high speed ( )
微信支付 
支付宝支付