封水

封水名詞

排水設備で悪臭や虫が排水元に入らないように配管内に溜めて塞いでいる水のこと。


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"封水." Definitions.net. STANDS4 LLC, 2024. Web. 24 Nov. 2024. <https://japanese.definitions.net/def/JA/%E5%B0%81%E6%B0%B4>.

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