Unverified78% confidenceFactTime unknown
优质纯松木砂吸水后应迅速膨胀崩解为均匀木屑，若吸水后仍保持硬块或崩解不完全，说明压制密度过高或含胶量大，除臭和分离效果会打折扣
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78%
Confidence
Long-term
Relevance
-
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