| 释义 |
吨公里dūngōnglǐ货物运输的计量单位,1吨货物运输1公里为1吨公里,如3吨货物运输100公里,就是300吨公里。{ton-kilometre (unit of freight carriage equal to the transportation of one metric ton of freight one km.; e.g. 300 ton-kilometres indicate transportation of 3 tons of freight for 100 km.)} |