The design of in-line sampling device with syringe;
吸管式在线取样阀组的设计
Application of siphon pipe to small reservoir reinforcement;
虹吸管在小型水库泄水涵管改造中的应用
This article primarily introduces the function of the syphon in the oil-cleaned instrument,and then brings forword a means about the syphon's design,which is proved to be effective.