ton of coal equivalent

ton... ... physical ton of cargo1. 货物实际吨数 ton of coal equivalent1. 煤当量吨 a ton of luck colombia1. 好运使不完 ...

计量单位转换大... ... 桶油当量 barrel of oil equivalent, 吨煤当量 ton of coal equivalent, 吨油当量 ton of oil equivalent, ...