3615| 6
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電槍擰釘后螺母怎樣才能不被卡死 |
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點(diǎn)評(píng)
我覺得給零件或螺栓的硬度有關(guān)系,發(fā)生了塑性變形,產(chǎn)生過盈配合,很難取現(xiàn)出.
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