Ni akọkọ, fa ooru lati inu itankalẹ oorun.Fun apẹẹrẹ, 6mm ko o leefofo gilasi, lapapọ diathermancy labẹ orun jẹ 84%.Ṣugbọn ni awọn ipo kanna, o jẹ 60% fun gilasi awọ.Gilaasi awọ pẹlu sisanra oriṣiriṣi ati awọ oriṣiriṣi, yoo gba ooru ti o yatọ lati oorun ra ...
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