开玩笑~ 绝对是广告 J! v+ R `- ~ r9 g. ]2 Q, t
Commercial Airliner (757 for example) = 100 Tons. 8 U: L0 M7 i& R" y G; \! x @4 L* t p5 N$ v# a2 T4 h1 _+ B
Distributed over 3 wheels = 33 Tons. ' R% M: U# }8 t! m, B/ ]! a
: F6 F# ]0 v# ?0 R$ W33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so befo ... ; T' r( d4 D( i/ j: `' x) A, \精打细算 发表于 2011-12-1 22:52