Study has been carried out on the chemical constitution and physical properties of the building sand made from the heavy slag from the blast furnace and its application to concrete.
研究了用冶炼高炉重矿渣制造的建筑用砂的化学成分、物理性能以及在混凝土中的应用情况。
The hot-blast stove is an important auxiliary facility of the blast furnace and its building and lining engineering is a key item in the blast furnace system engineering.
热风炉是高炉的重要附属设施，热风炉砌筑工程是高炉系统工程中的重点项目。
The hot-blast stove is an important auxiliary facility of the blast furnace and its building and lining engineering is a key item in the blast furnace system engineering.
热风炉是高炉的重要附属设施，热风炉砌筑工程是高炉系统工程中的重点项目。
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