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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 > 船舶辅助机械

单项选择题

Grease the roller bearings with HPgun In the sentence “HP” means （）.

A.horse power
B.high pressure compressor
C.hand pump
D.high pressure

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