5285| 16
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總質(zhì)量18噸的卡車,一個(gè)6輪一個(gè)10輪,百公里油耗相同嗎? |
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點(diǎn)評(píng)
哪個(gè)油耗高?
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點(diǎn)評(píng)
機(jī)械部分的摩擦,不要光考慮輪胎和地面的摩擦。
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