7595| 5
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目前想做鋼結構整球體,直徑8.4米內部分兩層,請前輩指點一二 |
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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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