sludge settling的用法和樣例：
例句
- Relative technical measures were used to improve the sedimentation of activated sludge and results were obtained.
為了改善活性污泥沉降性能，采取了相應的解決措施，取得了良好的效果。
綜上所述介紹強勢來襲創做，受著作權保護措施，抄襲必究
- 今早流行詞
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