Rate card vehicles include 5 or 7 seats Audis, VW vehicles. All types of vehicles have air-conditioning and manual and automatic control are available.

收费卡车辆为5~7座奥迪、VW系列汽车，所有车辆均配有空调， 手动挡和自动挡均有。

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Of large air-conditioning system, using the manual control valve regulating the complex process of manually adjusting the front-end valves, back-flow will be affected.

对大型空调系统而言，采用手动调节阀调节过程复杂，手动调节前端阀门，后端流量会受影响。

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