1937| 6
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請問適用成鈍角的兩個面的彈簧卡口 |
點評
+1
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點評
考慮做個非標的卡扣
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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