No rust, of reinforced with silicon powder or mineral superfine admixture compound is mixed with C80 below, you can employ high strength concrete.
对钢筋无锈蚀，与硅粉或矿物超细掺合料复合掺用，可配制C80以下高强混凝土。
Sodium carbonate is used as fired fly ash brick blank plasticizer for preparing fired fly ash brick with low cost, good plasticizing effect and no influence on molding of admixture.
将碳酸钠作为烧结粉煤灰砖坯料塑化剂应用于制备烧结粉煤灰砖，具有价格低廉、塑化效果好且不影响掺合料成型等优点。
Sodium carbonate is used as fired fly ash brick blank plasticizer for preparing fired fly ash brick with low cost, good plasticizing effect and no influence on molding of admixture.
将碳酸钠作为烧结粉煤灰砖坯料塑化剂应用于制备烧结粉煤灰砖，具有价格低廉、塑化效果好且不影响掺合料成型等优点。
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