Solar energy and complementary energy -saving control device that heats of air -source heat pump
The utility model discloses a solar energy and complementary energy -saving control device that heats of air -source heat pump, including holding water box and solar energy collection pipe, outer wallone side intercommunication of solar energy collection pipe has solar energy to go out the hot -wate...
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Format: | Patent |
Sprache: | chi ; eng |
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