dry riser
plural of tiltmeter
plural of swinery
In the middle of a frontal area
A main vertical pipe, usually kept empty, intended to distribute water to multiple levels of a building in the event of a fire.
消防士たちは、上階に素早く水を供給するため、普段は空で火災時に複数階へ水を配るための乾式立て管にホースを接続した。
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