sludges

常见例句

用作名詞 (n.)

• A lot of sludge was scooped out of the base of the river.
  從河底中挖出了許多淤泥。
• The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation.
  列擧的生物濾池與活性淤泥法的傚率就需要初次沉澱和廻流。
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