4910| 13
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非標(biāo)簡(jiǎn)易軸承設(shè)計(jì)求教 |
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點(diǎn)評(píng)
R角應(yīng)該大多少?可否請(qǐng)大俠出個(gè)示意圖詳細(xì)描述一下自行車中軸的結(jié)構(gòu)?
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