Geometric Analysis and Manufacturing of Variable-ratio Involute Heli cal Rack-and-Pinion Drive With crossed Axes

 
  • 交錯軸變速比漸開(kāi)線(xiàn)斜齒輪-齒條傳動(dòng)的嚙合分析與加工
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan