发布时间:2025-01-29 13:47:58
没有标准,因为配合比是试配,所以肯定要多些,一般一个混凝土配合比大概砂石各要500kg,水泥100kg就够了,如果有粉煤灰和外加剂的话,粉煤灰大概要50kg,外加剂10kg应该就够了。
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