a sewage outlet 污水排放口
sewage outlet area 污水泄水区
Total sewage outlet 总排污口
Scrub the internal wall of lavatory with the special brush, pay attention to clean the water outlet and sewage outlet, wash out the detergent after scrubbing.
用专用刷刷洗马桶内侧，注意清洁出水口和下水口，刷洗完后冲走清洁剂。
The utility model provides a squatting pan with a protecting cover. The protecting cover capable of covering a sewage outlet is arranged at the front end of the lengthened squatting pan.
本实用新型提供一种设置护盖的蹲便器，在加长的蹲便器的前端 设置有一个可将下水口遮盖的护盖。
Treatment processes of residential sewage vary according to the inlet water quality and the outlet water quality of treatment.
其污水依照排放标准的不同对处理深度和工艺有不同的要求。
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