Tapered roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged.

 
  • 圓錐滾子軸承有圓錐形內圈和外圈滾道,圓錐滾子排列在兩者之間。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan