除了模式过滤器外，通过为每个对象文件夹指定文件夹过滤器，可以实现二次过滤。
Apart from the schema filter, a second level of filtration can be achieved by specifying folder filters for each of the object folders.
介绍了加装PE管过滤器作为二次过滤装置后的效果及经济效益。
The effects and economic benefits of using PE tube filter as the secondary unit for brine filtering was introduced.
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。
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.
应用推荐