After operation, drop the control levers into stowing hole, and （）the electric motor.A、startB、stopC、moveD、open
After operation, drop the control levers into stowing hole, and （）the electric motor.
- A、start
- B、stop
- C、move
- D、open
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单选题为了避免震动，用低速控制钮减低移动舱盖的速度。（）ATo avoid shock, reduce the speed of moving hatch cover by inching control.BTo avoid shock, reduce the speed of moving hatch cover by control levers.CTo avoid shock, reduce the position of moving hatch cover by inching control.DTo avoid shock, reduce the course of moving hatch cover by control levers.
单选题You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take? （）ACut in another IG fan to increase gas flowBOpen the pressure control valve until the pressure increasesCOpen the tank isolation valve to the fully open positionDReduce the pumping rate
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单选题After operation, drop the control levers into stowing hole, and （）the electric motor.AstartBstopCmoveDopen
单选题After operation, drop the control levers into stowing hole, and （）(停止)the electric motor.AstartBstopCmoveDshift