题目内容
The two-stage feed working circuit using two speed regulating valves in series will cause the impact movement of the working parts, so it is rarely used ( )
查看答案
搜索结果不匹配？点我反馈
更多问题
The fast-moving circuit realized by the differential connection of hydraulic cylinders is generally used for no-load or quick feed ( )
When the system requires good low-speed stability, the volume-throttling speed control loop can be used ( )
In the bypass throttle speed control circuit, if it is found that the relief valve does not overflow when the system is working, it means that the relief valve is faulty ( )
In the case of the same flow rate, the larger the diameter of the hydraulic cylinder, the faster the piston movement speed ( )
微信支付 
支付宝支付