單項選擇題

每一個艙蓋由兩個或更多的蓋板組成。（）

A. Each hatch consists of two panels.
B. Each hatch cover consists of two panels.
C. Each hatch consists of two or more panels.
D. Each hatch cover consists of two or more panels.

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單項選擇題

這些艙蓋通常是用電力或液壓驅(qū)動的。（）

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.

單項選擇題

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.

每一個艙蓋由兩個或更多的蓋板組成。（）

你可能感興趣的試題

這些艙蓋通常是用電力或液壓驅(qū)動的。（）

船舶的艙蓋有多種類型。（）

每一個艙蓋由兩個或更多的蓋板組成。（）

船舶的艙蓋有多種類型。（）