3381| 11
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兩塊尼龍材質(zhì)的板,,上板5mm,,下板10mm,如何牢固固定(震動大,,震動頻率高) |
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點評
這種加工成本高吧
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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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