killer007 发表于 2017-10-18 10:31:09

D2996-17 Standard Specification for Filament-Wound “Fiberglass” (Glass-Fiber

D2996-17 Standard Specification for Filament-Wound “Fiberglass” (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe




admin 发表于 2017-10-23 14:48:24

谢谢您的分享,金币已奖励!
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