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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

Which of the following statements is true concerning an oil cooler?()

    A.The oil temperature is less than the cooling water temperature
    B.The oil pressure is less than the cooling water pressure
    C.The oil pressure is greater than the cooling water pressure
    D.The oil flow control valve is always installed in the oil input line

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