If the residual air in cylinder is impacted by abrupt clamp pressure, the seal ring will be damaged due to the effect of diesel oil.

 
  • 如果油缸內殘留空氣受急劇夾壓時(shí),那么,由于液壓油的作用,有可能使密封圈燒損。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan