A、这些舱盖通常是用电力驱动的
B、这些舱盖通常是用液压驱动的
C、这些舱盖通常是用电力或液压驱动的
D、这些舱盖通常是用油压或液压驱动的
更多“These hatch covers are usually driven by electric or hydraulic power.（）”相关的问题
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.
A、rolling type hatch cover B、side-rolling hatch cover C、folding type hatch cover D、automatic hatch cover
A、A. rolling type hatch cover B、B. side-rolling hatch cover C、C. folding type hatch cover D、D. automatic hatch cover
A、A. rolling type hatch cover B、B. side-rolling hatch cover C、C. folding type hatch cover D、D. automatic hatch cover
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.
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.
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?
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.
客服
TOP
查看正确答案
