While radius of the inner sleeve increases, the equivalent stress of fitting decreases quickly and the equivalent stress of working also increases quic...

 
  • 通過(guò)參數優(yōu)化,獲得最佳的結構參數:內套外徑尺寸、中套外徑尺寸、內中套過(guò)盈量、中外套過(guò)盈量。
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国内精品美女A∨在线播放xuan