In order to solve the production-matching problem of the slabs and the plates, Jigang built the new slab continuous casting machine.

 
  • 為了解決連鑄坯與中厚板材生產(chǎn)不匹配的問(wèn)題,濟鋼新建了板坯連鑄機。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan