21016| 13
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材質(zhì)硬度在55度到60度之間,,用鉆頭能加工嗎 |
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點評
光電那兩個孔差不多要倆小時了
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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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