Through accident investigation and analysis on fracture characteristics of work roll,spalling from barrel internal thread-like crack was found.

 
  • 通過(guò)對某廠(chǎng)1700冷連軋機工作輥剝落事故進(jìn)行調查和斷口特征分析,發(fā)現該軋機工作輥出現由工作輥內部線(xiàn)狀開(kāi)裂引起的剝落;
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan