9 I6 D8 G) K# D# F; ~& z: Y! `Distributed over 3 wheels = 33 Tons. # A, N, W+ G5 q# @: v. H8 W 0 n, Y2 ~0 P+ G9 e @( F33 Tons / 4 = 8 Tons per car wheel. One car tire can carry 1.5 ton or so befo ...5 n }% o5 L- O0 L2 U. y
精打细算 发表于 2011-12-1 22:52