4749| 8
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螺釘孔螺紋深度,,請(qǐng)教 |
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點(diǎn)評(píng)
但是也有KD的設(shè)計(jì)員,,前有孔的深度,后有螺紋的深度,,最KD的是在孔的深度下根本保證不了螺紋的有限長(zhǎng)度,。做外加工就是怎么不好
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