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Grey water enters a soakaway via a grease trap.
废水通过油脂分离器后汇入渗水坑。
youdao
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Firstly, collection well, equalization tank, oil & grease trap were used as pretreatment.
分别利用集水井、调节池、反应除油池作预处理；
youdao
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Firstly, collection well, equalization tank, oil & grease trap were used as pretreatment.
分别利用集水井、调节池、反应除油池作预处理；
youdao