A lot of poisonous waste water comes from that chemical factory.
那个化工厂排出大量有毒的废水。
Most of these compounds were poisonous, brining about the colour of waste water and a damage to biotreatment of waste water.
这些化合物中有许多是有毒的，这给废水生物处理带来了不利的影响，并且这些物质是废水色泽的主要来源。
Used in the poisonous gas purification, waste gas treatment, industrial and life water purification processing, solvent recovery, etc.
用于有毒气体的净化，废气处理，工业和生活用水的净化处理，溶剂回收等方面。
Whole system is sealed, preventing escaping of poisonous gas. Automatic reagent change, automatic discharge waste water.
系统全封闭，可自动更换溶剂和排出废液，避免有毒试剂外逸。
Some factories send waste water into river and poisonous gas into the air.
一些工厂往河里排放污水或有毒气体。
Some factories send waste water into river and poisonous gas into the air.
一些工厂往河里排放污水或有毒气体。
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