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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 gudgeon pin in a trunk piston may be free to float and rotate, with （） to limit axial movement.

A.split pins
B.crankpins
C.dipsticks
D.circlips

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