摘要: 通常双气路控制式气缸启动阀的启阀活塞结构形式是采用（）。[阅读全文:]
摘要: The Ship Security Plan should be submitted to____ for approval.[阅读全文:]
摘要: 下列是国际公认的滑油质量等级中的代号的是（）。[阅读全文:]
摘要: 引起柴油机气阀的阀面和阀座烧损可能性有（）。Ⅰ.阀座扭曲漏气Ⅱ.冷却不良Ⅲ.阀座偏移倾斜Ⅳ.阀与阀座失圆Ⅴ.阀杆卡阻Ⅵ.阀和阀座有麻点[阅读全文:]
摘要: 某水泵运行时进口压力为0.05Mpa，排出口压力为0.25Mpa，则水泵的压头为______。[阅读全文:]
摘要: During sea trial, the main engine well be kept run at load.[阅读全文:]
摘要: An increase in the fuel injection pump discharge pressure can be caused by a/an _______.[阅读全文:]
摘要: If a diesel engine turned over freely but failed to start, the cause could be ________.[阅读全文:]
摘要: 当柴油发电机的负荷减小而使转速升高时，该调速器的飞重与滑套的动作是（）。[阅读全文:]
摘要: The risk of collision shall be deemed to exist if the compass bearing of an approaching vessel ().[阅读全文:]