secondary treatment

短语词组

短語

• secondary oxidation treatment 二級氧化処理
• secondary sewage treatment plants 城市二級汙水処理廠
• secondary biochemical treatment 二級生化処理
• secondary solution treatment 二次固溶
• secondary sewage treatment 二級汙水処理;[環境]二次汙水処理
• secondary sewage treatment works 次級汙水処理廠;二級汙水処理廠
• secondary national treatment 次國民待遇
• secondary biological treatment 廢水的二級生物処理
• secondary waster treatment 二次廢料処理
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