The performance of RCC is mostly decided by raw materials performance, we should chose proper roller compacted concrete raw materials and study their performance so that the quality is guaranteed.

 
  • 碾壓混凝土的性能主要取決于原材料的性能,選擇合適的碾壓混凝土原材料并研究其性能,使其滿(mǎn)足高寒地區碾壓混凝土壩的性能要求。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan