5795| 15
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總質(zhì)量18噸的卡車(chē),,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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