Cement concrete, formed with cement, coarse and fine aggregates and water in appropriate proportion before a period of hardening, is a sort of stone material.
水泥混凝土是由水泥、粗集料、细集料和水按适当比例配合，经一定时间硬化而成的一种人造石材。
A method of extensively making use of spontaneous combustion gangue is introduced that is to use it as active mixture, coarse and fine aggregates to produce partition panel.
介绍一种大规模利用自燃煤矸石的方法，即利用其作活性混合材料、粗细骨料生产内隔墙板。
Both of the coarse and fine light-weight aggregates in the concrete were natural calcium carbonate nucleations with loose and porous structure.
“混凝土”中的轻质粗、细集料是一种组织疏松、多孔的天然碳酸钙结核。
Coloured aggregates are used to distinguish the coarse and the fine aggregate and color threshold is used to segment the image in this method.
该方法使用彩色石料区分粗、细集料，并利用彩色阀值直接分割图像。
The preparations of solidified extra-fine sand coarse aggregates and the concrete made by the solidified aggregates were studied.
对以长江粉细砂制造固结集料及其配制的混凝土进行了研究。
The preparations of solidified extra-fine sand coarse aggregates and the concrete made by the solidified aggregates were studied.
对以长江粉细砂制造固结集料及其配制的混凝土进行了研究。
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