... combustion pollution 燃烧污染 combustion pot 燃气发生器 combustion principle 燃烧原理 ...
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Adjustment of the combustion flame, the outer edge of the bottom of the pot so that it would not exceed, the best heating effect.
调整火苗的燃烧范围，使其不超过锅底外缘，取得最佳加热效果。
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