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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 > 船舶电气与船舶安全

单项选择题

The high-pressure fuel opens the fuel valve and is sprayed into the cylinder in tiny droplets known as （）.

A.injection
B.penetration
C.atomization
D.compression

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Because the timing of injection is crucial, （） mounted on the camshaft, which is driven by the crankshaft are used to operate the fuel pumps, one of which is provided for each cylinder.

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