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事物不能老是一成不变的现样子,这种变,也是发明。现有的护条现有的炉条是固定在炉灶内供木柴燃烧用的一种装置,能使炉灶获得较多的空气帮助燃烧;需要人守着不时不断地添加木柴。这样炭块被弄断弄碎积满在炉条上面,使空气不能流通。它的这个不足部分一直到现在还未能有人
Things can not always be static appearance, this change is also invented. Existing bars The existing bars are fixed in the stove for the burning of wood with a device that can make the stove to get more air to help burn; need people to constantly add firewood from time to time. The carbon block is broken and broken up over the grate so that the air can not circulate. It’s not enough until now that some people have not