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慚愧啊,,今天看機(jī)械設(shè)計(jì)書才發(fā)現(xiàn)這東西奧秘 |
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點(diǎn)評(píng)
以前被一個(gè)號(hào)稱“復(fù)旦”的總工考,,俺就是這樣答題,,結(jié)果那位小手一揮,慷慨的說:“你那是搞機(jī)加工用的,。俺們這表面質(zhì)量不用這個(gè),!”
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