开玩笑~ 绝对是广告3 ^5 ^$ k# M) h! m B4 H
Commercial Airliner (757 for example) = 100 Tons. 5 n4 F1 ]2 T& @, q9 `3 v
. s7 X2 c: \$ S9 x
Distributed over 3 wheels = 33 Tons. & P, i$ b% A* G 6 p, N9 m9 O0 V7 J) |7 |% @ e33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so befo ...! C) h+ c: v) }" V6 F
精打细算 发表于 2011-12-1 22:52