単線図
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単線図の試験圧力には水圧と気密があり、水圧には具体的な数値があるのに、気密はなぜYなのでしょうか？Yは何を意味しているのですか？
オーナーに聞いてみてください。通常の気密試験では試験圧力が記載され、漏れ試験には仕様書があるはずです。
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