2014| 2
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型材冷加工成型 |
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點(diǎn)評
是啊,特別是厚些的3到5毫米的Q235A或Q345吧,很不好控制,所以大家探討下,就寬60高20的U型件為例吧請教那個(gè)變形模式是指哪方面呢?
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