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初入機(jī)械行業(yè)孩子的苦逼路 |
點(diǎn)評(píng)
表面粗糙度主要是提高疲勞強(qiáng)度,,高數(shù)力學(xué)用的不多,材料力學(xué)推導(dǎo)可能會(huì)用一些
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