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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

If diesel oil in this tank is used, the （） of the oil must not exceed 120 degree F.

A.viscosity
B.flash point
C.acid value
D.temperature

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