开玩笑~ 绝对是广告 ; U3 p+ D. h( [8 a& Y% DCommercial Airliner (757 for example) = 100 Tons. # b, r. c3 o+ B, ^ # @1 B. F& W: K( ^Distributed over 3 wheels = 33 Tons. 0 b; ~& V. P m7 n - d0 \2 E; T1 {! k9 B8 s& ~33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so before exploding. Not 8!!