Checking the final broach broaching machine tensile strength and, when called broach the larger diameter, the pulling strength of a larger knife, usually do not check the use of strength.

 
  • 最后校核拉刀強度和拉床拉力,當拉刀直徑叫較大時(shí),拉刀強度較大,使用時(shí)通常不用驗算強度。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan