题目内容

The gas-liquid linkage speed loop has the characteristics of smooth movement, accurate stopping, and low energy consumption ( )

A. 对
B. 错

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The maximum vacuum degree will not exceed one atmosphere pressure ( )

A. 对
B. 错

The flow rate through thin-wall orifice is related to the density and viscosity of the liquid ()

A. 对
B. 错

The differential connection of the hydraulic cylinder can increase the movement speed of the piston and obtain a large output thrust ()

A. 对
B. 错

The theoretical flow rate of a hydraulic pump is related to its structural size and rotational speed, and has nothing to do with working pressure ()

A. 对
B. 错

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