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名词解释题
移动闭塞moving block
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更多 “名词解释题移动闭塞moving block” 相关考题
考题
为了避免震动，用低速控制钮减低移动舱盖的速度。（）A、To avoid shock, reduce the speed of moving hatch cover by inching control.B、To avoid shock, reduce the speed of moving hatch cover by control levers.C、To avoid shock, reduce the position of moving hatch cover by inching control.D、To avoid shock, reduce the course of moving hatch cover by control levers.
考题
单选题为了避免震动，用低速控制钮减低移动舱盖的速度。（）A
To avoid shock, reduce the speed of moving hatch cover by inching control.B
To avoid shock, reduce the speed of moving hatch cover by control levers.C
To avoid shock, reduce the position of moving hatch cover by inching control.D
To avoid shock, reduce the course of moving hatch cover by control levers.
考题
单选题虚拟闭塞是（）的一种特殊方式。A
固定闭塞B
准移动闭塞C
移动闭塞D
人工闭塞
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