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沖壓紫銅板網,因為紫銅太粘了,粘刀,求助:用什么材質的刀可以做到不粘刀? |
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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