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查手冊校核管道壁厚時,為什么壓力越低安全系數越高 |
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點評
失效形式低,安全系數應該越低呀?為什么恰恰相反呢?
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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