The reason of cracking phenomenon occurring of the cold forging steel was analyzed by the composition and microstructure tests.

 
  • 通過(guò)對鉚螺鋼的成分與組織檢驗,對鉚螺鋼在冷鐓時(shí)出現開(kāi)裂現象的原因進(jìn)行了分析。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan