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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

Please draw out a 01 mm （） between the two halves of the bearing to reduce the clearance.

A.shim
B.gasket
C.washer
D.packing

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