碾压砼是一种超干硬性砼。
以干硬性混凝土为主料的彩色路面砖行业具有广阔的市场发展前景。
The colorful road brick business which is mostly made from hard drying concrete has wide market development prospect.
分析总结了干硬性沥青混合料和软弱性沥青混合料的形成原因和压实工艺。
The paper has summarized the compaction technology to harsh mixture and weak mixture.
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