15537| 57
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深孔加工 |
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樓主說了:“通孔” 500
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補充點,,不曉得你孔的精度要求高不,,精度要求高更難達到
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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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