The method of load distribution of bottom bracing is adopted to change support rigidity,so that the bush vibration is reduced.

 
  • 采用底腳載荷分配的方法改變了支承剛度 ,從而降低了軸瓦振動(dòng)。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan