开玩笑~ 绝对是广告/ M3 ]8 r& G5 G
Commercial Airliner (757 for example) = 100 Tons. 3 A) I- f' ]0 a4 ]! R. U9 Y& [9 d2 C Q$ A
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Distributed over 3 wheels = 33 Tons. 5 r& w9 t) O; C& V7 c+ z0 O
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33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so befo ...! l. e- Y1 x0 V, ?: t8 L& b
精打细算 发表于 2011-12-1 22:52