6440| 13
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銅螺柱最多能擰多少次,螺紋會被破壞 |
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點評
這話說到點子上了。要擰緊力變態大,保證一次就擰壞。
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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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