| 摘要 |
A wood burning furnace having an enclosed combustion chamber including a top, a bottom, a back, a front and opposing side walls and a secondary combustion air admission chamber including a top, a bottom, a back, a front and opposing side walls, the bottom wall of the secondary combustion air admission chamber being arched and perforated, the bottom wall of the secondary combustion air admission chamber forming at least a portion the top wall of the combustion chamber
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