Unverified80% confidenceFactTime unknown
机制炭（机制成型炭）密度高、灰分少（优质品灰分＜5%），燃烧后灰烬呈白色且不飞散，清理方便；灰分高、燃烧后大量黑渣的多为劣质回收料压制
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80%
Confidence
Long-term
Relevance
-
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