当前学科：船舶动力装置
  • 题目： 单选
    The pump has a constant stroke and the amount of fuel delivered is regulated by rotating （） which has a specially arranged helical groove cut into it.

      A . the pump cylinder
      B . the pump cam
      C . the pump plunger
      D . the pump miler

    答案： <查看本题扣1积分>

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