1299| 10
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各位大佬,這里該用什么柔性密封結構? |
點評
聯系個密封件廠家咨詢一下
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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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