用“ton-mile”造句大全,ton-mile造句
1、What about actual productivity measured in ton-miles?
2、Rail’s share of the freight market, measured in ton-miles, has risen steadily to 43%—about the highest in any rich country.
1、What about actual productivity measured in ton-miles?
2、Rail’s share of the freight market, measured in ton-miles, has risen steadily to 43%—about the highest in any rich country.