6734| 23
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請教龍門桁架裝配調試是如何保證平行跟等高的?? |
點評
中間切換基準,就只有2米了
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點評
用個長的方鋼管,中間放水平儀
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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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