Steps and key points of installation and adjustment of double-bell type top charging equipment in middle and small blast furnaces are introduced.

主要叙述双料钟式中小高炉炉顶装料设备安装调试的方法、步骤及要领。

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The other, filed in October of 2011 by the Bell County Board of Elections, seeks to block the fire department from charging a fee to use its firehouses as polling stations.

WSJ: Putting Out Fires for a Fee