4134| 7
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求輪子帶動(dòng)滾筒傳動(dòng)機(jī)構(gòu) |
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相關(guān)帖子
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點(diǎn)評(píng)
“要求輪子前進(jìn)帶動(dòng)滾筒也可不帶動(dòng),后退失效”,就是這個(gè)啥意思?還是畫圖說事兒吧。。。
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