开玩笑~ 绝对是广告: a. T, q2 k5 Q9 V3 x+ D! A
Commercial Airliner (757 for example) = 100 Tons. + L" l5 G7 z% v% C) N, o7 s1 `4 B0 o6 o# _! @0 Y' S
Distributed over 3 wheels = 33 Tons. 4 E- n9 k9 y1 z$ ^2 ^
% j1 N6 }! V5 C9 }* T3 [& R33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so befo ...3 d3 _* c5 |. O' C4 L
精打细算 发表于 2011-12-1 22:52