1.The existing problem in operation of siphonal sand filter and innovation were introduced.
介绍了虹吸式砂滤器在运行过程中出现的问题及改造措施。
2.Wear-resistant and crinkle-resistant waterproof nubuck with water repellent and cmfi anti- siphonal react treatment as upper.
鞋面采用优质防水牛皮，耐磨、防皱，并且通过防虹吸、防泼水处理。
3.Customized CAD System for Siphonal Culvert Structure Design
倒虹吸涵洞结构设计CAD系统的设计与实现
4.Innovation on siphonal sand filter
虹吸式砂滤器的改造