2713| 24
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求助,做題被判錯,,到底誰正確? |
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點評
哦,看到批的了,,那轉(zhuǎn)向符號的問題了
沒錯,,是定軸輪系
百度上的沒錯。你是被批了幾個錯,?也許老師教的時候是要標出轉(zhuǎn)向的正負
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