2600| 2
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有賣精密軸的嗎?圓度0.002,直徑20mm左右,,長(zhǎng)度70-80mm |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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