3312| 6
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重型臥車導軌刮削的檢驗,請教 |
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點評
現在都是導軌磨加工 純刮研的沒有了
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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,浙公網安備33038202004372號 )
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