5804| 15
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求教,不允許打火花,辨別430鋼板和冷軋?zhí)间摪宓姆椒???/span> |
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點(diǎn)評(píng)
所以挺麻煩的,我現(xiàn)在不敢貿(mào)然發(fā)貨,出口的產(chǎn)品,就怕出事。
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點(diǎn)評(píng)
謝謝了,也是個(gè)實(shí)用的辦法,剛才試了下,確實(shí)可以有效鑒別
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