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切替バルブの選定

2015-12-13View Original

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地中熱ポンプシステムにおいて、機械室内の冬夏切替バルブには対合式ウォームギアバタフライバルブが使用されますが、ソフトシールの方が良いのか、それともハードシールの方が良いのか?

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