1)automatic water level valve,自动水准阀2)automatic drain valve,自动排水阀3)automatic drain valve,自动疏水阀4)automatic pressure-increasing valve,水压自动增压阀5)automatic return water switch valve,回水自动启闭阀6)automatic water regulating valve,自动水量调节阀
用法和例句
Structure design and application of hydraulic automatic pressure-increasing valve;
因此 ,需研制结构简单、成本低、效率高的水压自动增压阀 。
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
