Some research on alloy treatment and casting process to put forward a reasonable approach on the manufacturing of aluminium alloy rims are summarized.

 
  • 從合金處理、鑄造方法等方面對其進(jìn)行了分析和研究,以期為鋁合金輪轂的制造找出較合理的途徑。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan