樓主: qianlixiao
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機械設計難題,國內(nèi)至今無解 |
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點評
每臺軋機的整體體積不能太大,成本不能太高!
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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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