题目内容
Pneumatic circuit generally does not have exhaust pipe ( )
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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 ( )
Paper core filter has higher pressure resistance than sintered (烧结式) filter ( )
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