当前学科:船舶动力装置
  • 题目: 单选
    The withdrawing of the cylinder liners, in general, depends on their ().This may amount to approximately 1/120 of the diameter in some engines.

      A . correct maneuvering
      B . wear
      C . working efficiency
      D . maintenance

    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