5260| 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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點評
所以挺麻煩的,,我現(xiàn)在不敢貿然發(fā)貨,,出口的產品,就怕出事,。
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點評
謝謝了,,也是個實用的辦法,,剛才試了下,確實可以有效鑒別
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