The results show that the multi layer spray deposited pipe blank could be processed by such technologies as extrusion spin or extrusion roll.

 
  • 采用擠壓+旋壓或擠壓+軋制致密化成型工藝可以獲得高性能多層噴射沉積耐熱鋁合金材料。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan