当前学科:船舶动力装置
  • 题目: 单选
    Smaller engines can be made more rigid than large ones and may not have ().

      A . through bolts
      B . turbo-chargers
      C . bed plates
      D . colum

    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