... concrete wdined onrproofer 混凝土防水剂 concrete with crushed stone 碎石混凝土 concrete with entrained air 看着 工业用地建筑密度加气混凝土 ...
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... crushability 可破碎性 crushed ballast concrete 碎石混凝土 crushed coke 破碎了的焦炭 ...
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本文介绍该采矿法的回采方法与碎石混凝土充填工艺，并对其技术经济指标作简要分析。
In the paper, the mining technology of cemented fill stoping and backfill technology with rubble and concrete are presented, and their technical and economical indexes are briefly analyzed.
本文全面地介绍了碎石混凝土抛掷充填工艺，并阐述了PC - 1型抛掷机的结构、性能和工作原理。
This paper fully describes the filling process and introduces the structure, performances and operation principle of ModeI PC-1 thrower.
笔者通过分别配制卵石混凝土和碎石混凝土进行对比，指出卵石因粒形比碎石好，卵石混凝土的性能优于碎石混凝土；
The results show that the above strengths of steel fiber reinforced concretes are obviously superior to those of plain concrete;
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