sanitary filter的意思|示意

The new type sanitary cigarette packing method can avoid the contamination of the filter tip in cigarette caused by pollutant in hand and other pollutant source.

一种可以避免手部污染物、污染源由于吸烟而经香烟过滤嘴的传递进入人口腔的卷烟新型卫生包装。

When biological filter tank is used to treat sanitary wastewater, COD in effluent can satisfy Class I of the discharge standard for urban wastewater treatment plant.

实验针对间歇投配污水的生物渗滤池处理生活废水的一些基本运行参数进行了优化研究。

This invention relates to structural changing of the waste water drain trap in housing construction and the double valve water tank of the waste water filter and sanitary ware urinal.

本发明涉及改变住宅建设排水管结构及废水过滤器和卫生洁具便池双阀水箱，改变各楼层废水排水管结构利用二次水自流过滤流入便池水箱冲洗便池及冲洗拖布。