The actual input flow of the hydraulic motor is greater than the theoretical flow ( )
查看答案
Single-rod cylinder can realize two directions of movement by hydraulic oil ()
A. 对
B. 错
The filter installed at the suction port of the hydraulic pump usually has higher filtration accuracy than the filter installed at the pressure oil port ( ).
A. 对
B. 错
The pilot-operated check valve can flow forward but can not flow reversely ( ).
A. 对
B. 错
In the volumetric speed control circuit, the pressure relief valve in the main oil circuit plays a safety protection role ( )
A. 对
B. 错