S54 Obtain the consent of pollution control authorities before discharging to wastewater treatment plants.

在排放入污水处理厂前获得官方污染控制机构许可；

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S54 Obtain the consent of pollution control authorities before discharging to wastewater treatment plants.

在排放入污水处理厂前获得官方污染控制机构许可；

youdao