1897| 3
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要保證結合面處有防水性,不可打密封膠 |
點評
謝謝啊,請問有這方面的圖紙嗎?好做參考
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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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