The trio had been sheltering inside their double-wide trailer when it was thrown about 500 ft by the winds, landing on its roof.
这三个人都躲在他们的双重重量的拖车里，龙卷风将拖车抛至500英尺的高空，而后落在了屋顶上。
2
The utility model relates to a hydraulic double-side self-tipping four-wheel trailer which belongs to the technical field of agricultural machinery and uses the original hydraulic system of a tractor.
一种液压双侧自卸四轮挂车属农牧机械技术领域，它用机车原有的液压系 统。
3
This paper presents parameter optimization of double-table turning structure, determination of trailer's draw bar length and hook positions of both the trailer and tractor.