2560| 0
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直徑約30的彈簧疏端和密端相差0.3~0.5mm,請大家出些方案如何可靠的識別出來 |
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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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