The unit leases 165000 railroad cars and 120000 trailers and containers .

该子公司的出租资产包括16.5万节铁路车厢和12万辆拖车及集装箱。

His apparatus was two trailers of ex-army equipment , and a diesel generator .

他拥有的设备就是两拖车军队用过的机器和一台柴油发电机。

One simple measure would be to allow trucks to pull longer trailers , thereby increasing fuel efficiency .

其中一项简单的措施是允许卡车拖挂加长的拖车，从而燃油使用效率。

The company has a deal to install such systems on refrigerated truck trailers , and plans to later adapt the technology for locomotives .

这家公司打算把这种系统安装在带拖车的冷冻卡车上，之后还要把技术应用在火车头上。

In trailers with top-air delivery , air circulation and subsequent control of load temperatures are enhanced by the construction features below .

在装有顶部送风系统的拖车里，下面的结构特点会强化空气循环和随之而来的车体内部的温度控制强度。