If you knew in advance, you could have, actually, your car's mileage counter to count backwards from the point where the car will die and start walking.
如果你事先知道，你可以倒着走，用里程表计算从起点到终点的路程。
2
Pay-off strand, stranding cartage, compact die stand, counter meter, double draught wheels, take up and traverse device, mechanical transmission system and electrical control system.