当前学科:船舶动力装置
  • 题目: 单选
    The piston moves up and down, thus causing the rotational movement of the()

      A . crankshaft
      B . connecting rod
      C . cross-head
      D . main beating

    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