金具屋熱交換器紹介

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Uploaded by on Dec 15, 2008

温泉の熱を暖房に利用する装置です。これによって、金具屋の年間の灯油の使用量が6分の1に(50000リットル削減)。二酸化炭素の排出量に換算すると130,000k­gを削減することができました

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