Why do we call rail transport is a "green" system?
A、Becauseitsconsumptionofenergyperunitperkmislowerthanroadmodes;
B、Becauseitsconsumptionofenergyperunitperkmislowerthanairmodes;
C、Becauseitsconsumptionofenergyperunitperkmislowerthanseamodes;
D、Becauseitsconsumptionofenergyperunitperkmislowerthanpipemodes
发布时间：2025-11-12 11:48:48
