單項(xiàng)選擇題

這些艙蓋通常是用電力或液壓驅(qū)動(dòng)的。（）

A. These hatches are usually driven by electric or hydraulic power.
B. These hatch covers are usually driven by electric or hydraulic power.
C. These hatch covers are usually driven by electric.
D. These hatch covers are usually driven by hydraulic power.

你可能感興趣的試題

單項(xiàng)選擇題

船舶的艙蓋有多種類型。（）

A. There are several types of hatch covers on board ship.
B. There are several types of hatches on board ship.
C. There is one type of hatches on board ship.
D. There is one type of hatch covers on board ship.

單項(xiàng)選擇題

開關(guān)艙的工作通常是由船員來(lái)做。（）

A. The work of opening and closing hatches is usually done by crew members.
B. The work of opening and closing hatch covers is usually done by crew members.
C. The work of opening hatch covers is usually done by crew members.
D. The work of closing hatch covers is usually done by crew members.

這些艙蓋通常是用電力或液壓驅(qū)動(dòng)的。（）

你可能感興趣的試題

船舶的艙蓋有多種類型。（）

開關(guān)艙的工作通常是由船員來(lái)做。（）

這些艙蓋通常是用電力或液壓驅(qū)動(dòng)的。（）

開關(guān)艙的工作通常是由船員來(lái)做。（）