Van Dn80

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DN 80 / 88,9 mm / 3" - PN 40 - 1.4571 - loser F...

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DN 80 / 88,9 mm / 3" - PN 40 - 1.4571 - Blindfl...

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DN80热镀锌钢管技术指标 友发镀锌管现货天津泰和天成

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DN 80 / 88,9 mm / 3" - PN 40 - P245GH / C22.8 –...

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DIN 基準規模

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橡胶软接头dn80的等效应力值相差较大 - 知乎

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What Is Dn80 Pipe Size - Design Talk

DN 80 / 88,9 mm / 3" - PN 40 - 1.4571 - Vorschw...

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DN 80 in der Entwässerungstechnik - SBZ

Schedule STD Pipe 3 Inch (DN80 mm) – Pipe Dimen...

Vorschweißflansch Anschweißflansch Schweißflans...