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2 format change Nicole Yin unknown + 49 word(s) 12,013 2020-07-30 10:37:56 2020-07-30 10:41:01 |
1 Heat pump technology is commonly classified according to its source, function, type of energy and application. Studies have reported seasonal performance factor ranges within 1.8 and 5.6. Rokas Valancius unknown + 1576 word(s) 11,618 2019-11-18 11:32:28 2020-09-02 04:54:20 |