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機(jī)械設(shè)計(jì)之螺紋孔 |
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點(diǎn)評
如今學(xué)院派的水平連吹牛都不夠了,野路子出身的家伙又似懂非懂,該何去何從?只能任其自生自滅了
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點(diǎn)評
因特殊原因可以理解也不可避免,也能加工,只是要付出的多一點(diǎn)
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