單項(xiàng)選擇題

每一個(gè)艙蓋由兩個(gè)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(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.

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.

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每一個(gè)艙蓋由兩個(gè)或更多的蓋板組成。（）

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這些艙蓋通常是用電力或液壓驅(qū)動(dòng)的。（）

船舶的艙蓋有多種類型。（）

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

船舶的艙蓋有多種類型。（）