[소방설비기계] 스프링클러설비 펌프토출측 배관부속품 도시기호 및 기능설명 2탄

2020 9:34
Synopsis
이번시간에 알아 볼 도시기호 및 기능은 6번: 압력계 7번: 체크밸브 8번: 유량측정장치(유량계) 9번: 물올림장치 10번: 릴리프밸브 11 ...
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