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高手們看看這個怎么做�,。� |
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點評
這樣除了材料利用率低還要買電鍍好的料帶,,比沖裁后自己電鍍貴很多
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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