ng industry,problems on energy sРaving in water heating system are preliminarily discussed.It is believed there still exists a great potentiality in energy saving when water heating system is used.Continues along with our country national economy and the lives of the people level fast to develop, the energy question and the environment question are same, already became affects the China economic harmony development the key aspect. Our country joins "the Kyoto Protocol" the treaty, the central authorities highly takes regarding the energy conservation province housing, as well as Chinese first "Renewable Energy Law" appears ahead of time, and so on the information indicated our country residence construct and its the correlation energy question already became the overall situation question.
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