-
Water source heat pump; Renewable energy; energy saving; Environment harmless; Heating; Clean hot water.
水源热泵;再生能源;节能;环保;采暖;供冷;卫生热水。
youdao
-
Water source heat pump; Renewable energy; energy saving; Environment harmless; Heating; Clean hot water.
水源热泵;再生能源;节能;环保;采暖;供冷;卫生热水。
youdao