P 92 Concrete is a mixture of water, sand and gravel, and Portland cement.
混凝土是由水 、 沙和砾石 、 波特兰水泥拌合而成.
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Only those who are rigid in thinking adhere too closely to the regulations.
只有那些思想僵化的人才过分拘泥于规则.
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他僵硬地爬起身来,从褴缕的 、 满是泥土的衣服上,将缠绕在上面的青草拂了下去.
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These tunnels also serve to help the air move more easily through the soil.
这些孔道也有助于空气轻易地透进泥土里面.
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Apply 2-component adhesive of epoxy evenly on the prepared concrete base.
在铺好的水泥板上均匀地涂上一层双组分环氧树脂胶.
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