单项选择题
The running wheel runs along the （）(导轨)on the hatch coaming top.
A. guide rope
B. guide rail
C. side coaming
D. side roller
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相关考题
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单项选择题
After operation, drop the control levers into stowing hole, and （）(停止)the electric motor.
A.start
B.stop
C.move
D.shift -
单项选择题
（）(高速)operation and rough handling of covers are dangerous.
A.High-speed
B.Low-speed
C.Slow-speed
D.Quick-speed -
单项选择题
In order to avoid shock, reduce the speed by （）(低速控制器)when the cover comes near the stoppers.
A. control lever
B. control panel
C. control loop
D. inching control
