轮机英语【大管甲类】题库

单选题 1分

Movement of the pump control rack in a fuel injection system using individual plunger-type pumps ___...

Movement of the pump control rack in a fuel injection system using individual plunger-type pumps ________.
  • A. changes the position of the fuel inlet ports
  • B. changes the length of the pump stroke
  • C. varies the quantity of fuel delivered
  • D. varies the compression of the delivery valve spring
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轮机英语【大管甲类】-题库

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相关试卷

第一章 船舶主推进装置
第二章 船舶辅助机械
第三章 船舶电气和自动化
第四章 船舶轮机管理业务
第五章 国际公约、规则
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