In accordance with the characters of end section involute of helicoids,it is analyzed of change of the base circle affecting the pressure angle of involute profile.

 
  • 依據漸開(kāi)螺旋面端面漸開(kāi)線(xiàn)的性質(zhì),分析了漸開(kāi)線(xiàn)基圓變化對漸開(kāi)線(xiàn)齒形壓力角影響。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan