Firstly, according to the actual structure of gravity dam, three dimensions substance geometry model is built with Pro/Engineer.

 
  • 首先,根據重力壩的實(shí)際結構,應用Pro/Engineer建造其三維實(shí)體幾何模型。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan