There are two different types of car configurations for the new fleet; a cab car (D cars), which will make up 40% of the fleet, or, 310 cars, and a non-cab car (E cars), which will make up the remainder of the fleet, or, 465 cars.
新车队将有两种不同类型的车辆配置：带驾驶舱的车辆（D型 车），将占车队的40％，即310辆，和不带驾驶舱的车辆（E型 车），将构成车队的剩余部分，即465辆车。