【单选题】
hatch cover（）
A、舱口
B、舱盖
C、舱壁
D、密封舱
查看正确答案A、rolling type hatch cover B、side-rolling hatch cover C、folding type hatch cover D、automatic hatch cover
搜题
更多“hatch cover（）”相关的问题
第2题
A、A. rolling type hatch cover B、B. side-rolling hatch cover C、C. folding type hatch cover D、D. automatic hatch cover
第3题
A、A. rolling type hatch cover B、B. side-rolling hatch cover C、C. folding type hatch cover D、D. automatic hatch cover
第4题
A、After loading and discharging, hatch covers will be opened. B、After loading and discharging, hatch covers will be closed. C、Before loading and discharging, hatch covers will be opened. D、Before loading and discharging, hatch covers will be closed.
第5题
A、Our ship is equipped with automatic hatch covers. B、Our ship is equipped with folding-type hatch covers. C、Our ship is equipped with side-rolling hatch covers. D、Our ship is equipped with rolling-type hatch covers.
第6题
A、Bosun, why do we open hatch covers? B、Officer, why do we open hatch covers? C、Bosun, why do we close hatch covers? D、Bosun, why do we open hatches?
第7题
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.
第8题
A、A. These hatches are usually driven by electric or hydraulic power. B、B. These hatch covers are usually driven by electric or hydraulic power. C、C. These hatch covers are usually driven by electric. D、D. These hatch covers are usually driven by hydraulic power.
