火床炉冒黑烟是一个混合不良问题，而混合的关键在于炉拱。
The appearance of black smoke in grate furnaces is due to insufficient mixing, the crux of which lies in the furnace arch.
我的父亲用土做了一个特殊的床我们叫“炕”，它的中间是空的，这样来自厨房的火就可以通过它使炕能变暖。
My father made our special bed that we call it "Kang" using soil. Its middle is empty so that the fire from kitchen can pass it and make our "Kang" warm.
介绍300MW循环流化床锅炉压火、热启动过程的操作方法，指出操作过程中应注意的事项。
The operating methods of banked fire and hot start-up for 300 MW CFB boiler was introduced, and the points for attention during the operating process were indicated.
介绍300MW循环流化床锅炉压火、热启动过程的操作方法，指出操作过程中应注意的事项。
The operating methods of banked fire and hot start-up for 300 MW CFB boiler was introduced, and the points for attention during the operating process were indicated.
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