mechen 发表于 2013-12-29 19:34:51

ASTM A 214_A 214M – 96 R05

ASTM A 214_A 214M – 96 R05 Specification for Electric-Resistance-Welded Carbon Steel Heat-Exchangerand Condenser Tubes




nbjwbzj 发表于 2013-12-30 09:08:19

谢谢分享！！！！！！！

admin 发表于 2013-12-30 18:39:28


谢谢您的分享，金币已奖励！
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