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HL聯軸器尼龍棒銷與孔的配合間隙是多少? |
點評
知道了,非常感謝!
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小黑屋|手機版|Archiver|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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