五分头LW 发表于 2017-1-20 15:59:16

A213A213M-15b Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater,

A213A213M-15b Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes (E)

admin 发表于 2017-1-25 11:50:04

谢谢您的分享,金币已奖励。
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