7447| 13
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有做彈簧夾頭和導套的嗎 |
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點評
一般內(nèi)孔是不是不能比需要夾持的桿徑大太多???
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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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