(요청영상) 하수구 P트랩을 엘보로 변경하는방법! 변경해야하는이유와 P트랩의 중요성도 알아보자. (노허브반도,심플조인트)
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Channel: 형제PVC철물
Views: 70,269
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Length: 10min 9sec (609 seconds)
Published: Sun Apr 19 2020
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