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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶动力装置

单项选择题

A governor automatically controls engine speed by regulating （）.

A.fuel supply
B.firing order
C.engine load
D.oil level

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单项选择题

A distance piece, with ground faces, may be interposed between the rod and the bearing housing, its thickness being chosen to ensure the correct （）.

A.expansion ratio
B.pressure ratio
C.compression ratio
D.clearance ratio

单项选择题

A distance piece, with ground faces, known as a compression plate, may be interposed between the rod and the beating housing, its thickness being chosen to ensure the correct （）.

A.compression pressure
B.compression test
C.compression ratio
D.compression clearance

单项选择题

A distance piece, known as a （） may be interposed between the rod and the bearing housing.

A.bearing shell
B.bearing liner
C.compression plate
D.lead wire

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