当前学科:船舶动力装置
  • 题目: 单选
    If the engine does start on air, but combustion does not immediately begin, the cause may be ().

      A . failure of the fuel pumps
      B . starting air pressure too low
      C . stop valve in air line closed
      D . the turning gear still engaged

    答案: <查看本题扣1积分>

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