mechen 发表于 2016-12-7 18:20:46

Cathodic Corrosion Protection Systems ： a guide for oil and gas industries b

Cathodic Corrosion Protection Systems ： a guide for oil and gas industries by Alireza Bahadori


admin 发表于 2016-12-8 10:56:40

谢谢您的分享,金币已奖励!

pipingren 发表于 2017-2-13 00:04:23

找了好久的资料，谢谢楼主

pipingren123 发表于 2017-2-13 00:41:01

真的是很不错的帖子，只可惜俺的钱少啊
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