Used for industrial and civil architecture roofing, basement, tunnel, tunnels, water supply and drainage pool, water pumping station, etc have waterproof impermeable concrete engineering requirements. 用于工业与民用建筑的屋面、地下室、隧道、巷道、给排水池、水泵站等有防水抗渗要求的混凝土工程。
Reaching to quality norm of industrial recycling water after treatment, confluent sewage can be used as pumping station's cooling water. 合流污水经处理达到工业循环冷却水水质指标后,可用作泵站循环冷却水。
Upstream pumping seal is studied theoretically and the calculation of the pressure distribution of upstream pumping seal end is programmed in this article. It has laid the foundation for the industrial application of upstream pumping seal. 从理论上对上游泵送机械密封进行了研究,编写了计算上游泵送密封端面压力分布及端面结构优化程序,为上游泵送密封的工业应用奠定了基础。