liuxilin1215 发表于 2014-11-29 15:48:45

DIN 28182-2007 管式热交换器.管心距、管薄板的钻孔直径 挡板和

DIN 28182-2007 Tubular heat exchangers – Tube pitches, diameter of bores in tube sheets, baffles and support plates
管式热交换器.管心距、管薄板的钻孔直径 挡板和支承板


admin 发表于 2014-11-30 13:41:41

谢谢您的分享,金币已奖励
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