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.

Corrosion of inter-chamber connection pipe of condenser cooled by seawater has been always hindering the normal operation of nuclear power plants.

Dynamic characteristics of displacement measurement system based on connected pipe with U pipe model;

Study on signal processing of displacement based on improved wavelet threshold method for connected pipe measurement system;

Application of connected pipe optoelectronic liquid level sensor in bridge deflection monitoring;