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ordinary concrete
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ordinary concrete
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工学
混凝土
释
ordinary concrete
普通混凝土
以水泥、水、砂、石子等为原材料,经过搅拌、成型、养护硬化形成的混凝土结构。其干表观密度为2000~2800千克/米3人造石材,必要时普通混凝土还掺入化学外加剂和活性矿物掺合料。
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