预处理池可以使钢质或水泥质，这取决于成本，土壤状况和相关管理机构的要求。
Pretreatment tank construction can be of steel or concrete, depending upon cost, soil conditions, and regulatory agency requirements.
所以，所述方法包括加入粉末，该粉末能产生水泥质煤灰，同时降低燃煤工 厂的排放。
Thus, the methods involve adding powders having qualities that lead to the production of a cementitious coal ash while at the same time reducing emissions from a coal burning facility.
研究了养护温度和水泥碱含量（质量分数，下同）与硅质集料砂浆试样膨胀的关系。
The influences of curing temperature and alkali contents of cement on expansion of mortar bars are investigated.
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