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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
以前被一個號稱“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!”
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