working-pressure head 工作压力水头
This article analyzes the traditional measures of releasing affixed pressure head and introduces the working principle of low and low gas pressure regulation and its application in hig buildings.
分析了消除附加压头的传统措施，介绍了低低压燃气调压器的工作原理及其在高层建筑中的应用。
It is made up of generating system of super high-pressure, system of two-dimensional CNC working platform and cutting head, as well as control system.
该切割机是一台经济型数控水射流切割机床，主要包括超高压水射流发生系统、二维数控工作台及切割头系统和控制系统。
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