题目内容
High-pressure and large-flow hydraulic systems often use electromagnetic directional control valves to control ( )
查看答案
搜索结果不匹配？点我反馈
更多问题
In the bypass throttle speed control circuit, a large amount of hydraulic oil is returned to the tank by the pressure relief valve, which is the main reason for the large energy loss, temperature rise, and low efficiency ( )
When cleaning hydraulic components, use cotton cloth to scrub ( )
The compressed air produced by the air compressor cannot generally be used directly in the pneumatic system ( )
Pneumatic transmission enables the cylinder to achieve accurate speed control and high positioning accuracy ( )
微信支付 
支付宝支付