开玩笑~ 绝对是广告 0 \1 {# z" f2 s) }Commercial Airliner (757 for example) = 100 Tons. 6 T1 C" n- z4 |3 }3 L" M6 x
9 R- z8 V0 w: U# o
Distributed over 3 wheels = 33 Tons. / w u8 e# P' S
8 D* O. J: a. l7 r9 Q; G33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so befo ...3 T7 x: C2 |! b, ]1 v
精打细算 发表于 2011-12-1 22:52