当前学科:船舶动力装置
  • 题目: 单选
    The fresh air coming in through the inner air ports, is compressed by() to a higher pressure.

      A . the cylinder head
      B . the cross-head
      C . the moving piston
      D . the stationary pisto

    答案: <查看本题扣1积分>

    查看答案

    答案不对?请尝试站内搜索