The paper presents the innovation measures of dedust in orechannel 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。
2
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。
3
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 .