Peening magnitude of vibration roller can be adjusted as required or even to the extent of being pressed without peening.

 
  • 震蕩滾的敲擊幅度,亦可隨需要加以調整,甚至可調整到只有壓著(zhù)而沒(méi)有敲擊的程度。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan