当前学科:船舶动力装置
  • 题目: 单选
    This used piston had been tested and approved as a spare part by the () during last annual repair.

      A . agent
      B . shipchandler
      C . surveyor
      D . engineer

    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