摘要: A person on a fixed, or floating platform. engaged in oil exploration, located 10 naut[阅读全文:]
摘要: 海船主要采用( )材料的螺旋桨。[阅读全文:]
摘要: 精密偶件端面的机械密封不良的主要原因是( )。[阅读全文:]
摘要: 根据回转机构液压系统的负荷特点,以下说法中错误的是( )。[阅读全文:]
摘要: Which of the following statements concerning the lubrication of diesel propulsionengin[阅读全文:]
摘要: The company should ensure that( )documents are promptly removed.[阅读全文:]
摘要: Diesel engine blow－by is the leakage of combustion gases past the( ).[阅读全文:]
摘要: Accidental flooding of the engine room bilges by the bilge main is prevented by( ).[阅读全文:]
摘要: A water jacket is placed around the exhaust manifolds of propulsion diesel enginesto[阅读全文:]
摘要: 统计资料证明,设计废气锅炉排气流速低于( )者几乎都有着火故障。[阅读全文:]