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。
The aging of the hot air curtain line and the improper connection method of the electric wire is the biggest hidden trouble of the accident.
热风幕线路的老化及电线的连接方法不当是造成事故的最大隐患。
The method manufactures the curtain by hanging rootless plants which are the air plants uniformly.
本发明选用无根植物――空气凤梨均匀地悬挂，制作成窗帘。
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