当前学科:船舶动力装置
  • 题目: 单选
    () usually helps to induce air movement to assist combustion.

      A . Cylinder cover
      B . Main bearing
      C . The exhaust valve
      D . The piston movement

    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