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process for the manufacture of porous concrete is spreading not moisture, and porous concrete is obtained by this method.
process for the manufacture of porous concrete is spreading not moisture, and porous concrete is obtained by this method.
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机译:制造多孔混凝土的过程不会散布水分,因此可以通过这种方法获得多孔混凝土。
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摘要
In order more completely to remove the fine material from the aggregate in preparing a porous concrete the material is washed with water, and the washing may be followed by treatment with a dust-removing substance such as calcium chloride, this treatment taking place before, during, or after the addition of the cement or other binder.
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