18421| 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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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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