介绍了档渣球和挡渣塞技术在转炉炼钢的实际应用，有利于降低原材料消耗、增加企业效益。
It is introduced that the technology of slag stopping with ball and bar to converter steelmaking. This technology favours reducing material consumer and increasing economic benefits of enterprises.
瓦斯管弯头的安设不仅消耗了大量材料，而且增加了抽放阻力。
The installation of gas pipe elbows not only consumes a great deal of materials, but also increases the drainage resistance.
瓦斯管弯头的安设不仅消耗了大量材料，而且增加了抽放阻力。
The installation of gas pipe elbows not only consumes a great deal of materials, but also increases the drainage resistance.
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