The paper presents the innovation measures of dedust in ore channel of iron making plant in terms of valves, exhaust hood, air curtain and control method etc.
就炼铁高炉矿槽除尘系统的方式，提出了一些革新的措施，涉及到阀门、吸气罩、风幕及控制方法等。
There are three metallogenic conditions which are material source, ore-fluid channel way and metallogenic location for the formation of gold ore deposits.
金矿床的形成应具备物质来源、矿液通道及成矿场所三个条件。
At present , the company has a more fixed channel of manganese ore purchasing and ferroalloy supplying , thus it might guarantee the company stable goods supplying and selling .
现公司已有较为固定的锰矿进货源和铁合金销售渠道，从而可以保证了公司稳定的供货和销售。
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