...；MgO混凝土；防裂新途径；大体积混凝土 [gap=823]Key words：theromal stress；temperature control；MgO expansive concrete；crack control measure；mass concrete.
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gentle MgO autogenous expansive concrete MgO微膨胀混凝土
mgo expansive concrete
氧化镁膨胀混凝土
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Suggestions are made for improving the quality of MgO, improving the method of mixing MgO in the production of concrete and for producing expansive agents with different speed of expansion.
文中提出了改善氧化镁品质、改进掺混工艺、研制具有不同膨胀速率的膨胀剂等意见。
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