The article introduces principle of design and construction of HDPE film floating cover for sewage sink, construction of the cover, material selection as well as key points of its installation.
介绍了采用HDPE膜做污水池浮动盖的设计和施工原则，浮动盖的构成、材料选用和施工安装要点等。
Plug bathtub and sink drains to prevent sewage backup.
塞好浴缸与水槽的下水口，以免污水倒流。
Check to see that water and sewage lines are intact before using the toilet. Plug bathtub and sink drains to prevent sewage backup.
如厕前要检查水管与下水道管道，确保它们完好无损。塞好浴缸与水槽的下水口，以免污水倒流。
Ground water is used as the cooling water source of heat pump units in summer a great deal of production sewage is used as extracted heat sink for units in winter.
夏季利用地下水作为水源热泵机组的冷却水，冬季利用该厂丰富的污水作为机组的吸热源。
Scope: suction machine, the automatic washing machine, steam carpet machines, jet aircraft of the sewage pumping Water tanks, buckets, sink, and so all the inconvenience caused the bubble areas.
合用范围：吸水机、自动洗地机、蒸汽地毯机、井喷式抽吸机之污水箱、水捅、洗濯槽等所有产生不便泡沫地方。
Scope: suction machine, the automatic washing machine, steam carpet machines, jet aircraft of the sewage pumping Water tanks, buckets, sink, and so all the inconvenience caused the bubble areas.
合用范围：吸水机、自动洗地机、蒸汽地毯机、井喷式抽吸机之污水箱、水捅、洗濯槽等所有产生不便泡沫地方。
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