由于高昂的燃油费和税收刺激，汽车和货车的行驶公里数连续四年下降，同时燃料的使用效率也在提高，最显著的原因是新车使用了更好的引擎。
Thanks to pricey fuel and tax incentives, car and van mileage has fallen for four consecutive years and fuel efficiency has increased, notably because new cars have better engines.
不限制公里数的行车费是20美元。
按照里程表显示的公里数，这辆车已经该报废了。
According to the miles shown on the odometer, the car should be discarded as useless.
走步机上一般都有计步表可以计算你走的公里数。
Generally, there is a step counter on a walking machine to show how many kilometers you've walked.
以消耗的车公里数最小为目标，建立大规模路网上空车调整问题的数学模型。
The mathematics model of empty car adjustment on large scale railway network was established which aimed at the minimization of consuming wagon-kilometers.
低于80%的可用率、单日单辆公交车运营的低公里数和运营收入占总成本的低比例是司空见惯的。
A low availability rate of less than 80%, a low operating km per day per bus and a low ratio of operating revenue to total costs are common.
低于80%的可用率、单日单辆公交车运营的低公里数和运营收入占总成本的低比例是司空见惯的。
A low availability rate of less than 80%, a low operating km per day per bus and a low ratio of operating revenue to total costs are common.
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