开玩笑~ 绝对是广告. u9 ]" V4 P( R
Commercial Airliner (757 for example) = 100 Tons. 9 W. t6 [! B C. K# n0 B1 m$ y4 K* Y
Distributed over 3 wheels = 33 Tons. ) S" H5 q5 [+ L* V* l) C* o6 N# T3 ~- Z. b* r
33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so before exploding. Not 8!!