单项选择题

The（）(滚动式舱盖) runs along the guide rail.

A. rolling type hatch cover
B. side-rolling hatch cover
C. folding type hatch cover
D. automatic hatch cover

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上一题目录下一题

单项选择题

A. automatic hatch cover
B. folding type cover
C. hatch coaming
D. side-rolling type cover

单项选择题

A. hydraulic hatch cover
B. hydraulic release unit
C. hydraulic oil jack
D. automatic hatch cover

单项选择题

A.material
B.planks
C.mats
D.dunnage