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設(shè)計(jì)一個(gè)往復(fù)運(yùn)動(dòng)機(jī)構(gòu) |
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點(diǎn)評(píng)
我要的是機(jī)構(gòu),,而且拉絲機(jī)也無(wú)法實(shí)現(xiàn)我的功能
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點(diǎn)評(píng)
互相學(xué)習(xí),,互相進(jìn)步
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