开玩笑~ 绝对是广告 5 F' n, S+ X* |Commercial Airliner (757 for example) = 100 Tons. " G* o' P9 N/ V2 o* J y. k+ R
. j9 G: R; J) H7 EDistributed over 3 wheels = 33 Tons. + q6 c) i( C0 B- { A
" T2 |4 P% D. ^# `; C2 {1 ?1 R33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so befo ...8 m& u& b+ d( B; X
精打细算 发表于 2011-12-1 22:52