Cleaning system: cleaning pump with great power can clean the concretepiping of crane and hopper swiftly and conveniently.
清洗系统：大功率清洗水泵，能迅速、方便地对臂架砼配管及料斗进行清洗。
2
This paper introduces the concept of the pressure piping, discusses on the classification of the pressure piping, and expounds the concrete methods for the stress analysis of the pressure piping.
介绍了压力管道的概念，讨论了压力管道的分类，论述了压力管道应力分析的具体方法。
3
For piping over light cellulat concrete foundation, U shaped thick wire can also be used.