ygs67 发表于 2015-12-12 15:22:20

ASTM A106_A106M-15

ASTM A106_A106M-15 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

yb336699 发表于 2015-12-13 10:05:44

感谢分享ASTM A106_A106M-15 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

xisure 发表于 2015-12-14 09:20:59

感谢分享，因为没有水印，卖的贵了也值了

admin 发表于 2015-12-14 09:53:56

谢谢您的分享，金币已奖励!
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