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【单选题】

It is important with all hydraulic systems to ensure that interlocking arrangements provided for pump or motor control levers are () before the pump driving motor can be started.

A、in the pert position

B、in the starboard position

C、in the neutral position

D、to be dismantled

更多“It is important with all hydraulic systems to ensure that interlocking arrangements provided for pump or motor control levers are () before the pump driving motor can be started.”相关的问题
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