The experiments are Inad on C30 concrete made of shaft kiln cement and rotary kiln cement respeively to compe theirconstruction Pefores and mechwhcal twies.

 
  • 用优质立窑水泥与回转窑水泥配制C30混凝土,对比它们的施工性能和力学性能。
今日热词
目录 附录 查词历史