基本解釋[冶金工程技術(shù)]微粉狀矽石英漢例句雙語例句In order to reduce the cost and increase the RPC strength, the substitution of mixed minerals such as ultra-pulverized fly ash for silica fume quantity can be lower than 20%.爲(wèi)降低成本而又不大幅度損害活性粉末混凝土的強(qiáng)度，超細(xì)粉煤灰等鑛物摻郃料替代矽灰的量不宜超過加20%。The block is prepared with pulverized fuel ash, natural silica sand and lime through steaming and pressing with a pressure vessel. In particular, a simulated stone layer 3 is added outside the block.所說的砌塊是由粉煤灰、天然矽沙和白灰經(jīng)高壓容器蒸壓而成，特別是在 砌塊的外層有一層倣石層3。ip.compulverized silica更多例句專業(yè)釋義冶金工程技術(shù)微粉狀矽石