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關(guān)于小車輪子阻力計(jì)算的一些困惑 |
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點(diǎn)評
人家才懶得理你呢你以為人家是老師啊
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點(diǎn)評
問啦,根本不搭理
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點(diǎn)評
沒分,他是用總重量,不是從動(dòng)輪上的分量
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點(diǎn)評
我更愿意相信是廠家有所保留 ๑乛◡乛๑
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