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leo0828 发表于 2019-2-21 09:35:57

ASTM A672-08 Standard Specification for Electric-Fusion-Welded Steel Pipe for Hi

ASTM A672-08 Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures

admin 发表于 2019-2-28 11:10:26

谢谢您的分享,金币已奖励!

hung 发表于 2019-9-9 12:02:04

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