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如何用鈑金折出來(lái)一個(gè)矩形的空心管 |
評(píng)分
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點(diǎn)評(píng)
實(shí)在沒(méi)有設(shè)備折,也可以拼焊嘛,拉到現(xiàn)場(chǎng)批斗倒不至于
這很容易就能做到,為何這樣說(shuō)呢?
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