制せい水すい弁べんMeanings1nounwater regulating valve; gate valveTechnical term used in plumbing, water supply, and engineering contexts. Refers to a valve that controls water flow, often a gate valve.制せい水すい弁べんを閉しめてから配はい管かんの修しゅう理りを行おこなった。We repaired the pipe after closing the water regulating valve.
