Solar Connection Hoses are a modern solution for solar panel installations designed to get hot water using solar energy.
太阳能连接软管对于太阳能电池板的安装，是一个先进的解决方法，它被用于太阳能装置上输送热水。
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.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
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