trailer chassis

• 拖车底盘

trailer chassis的用法和样例：

例句

1. Tubes are generally mounted on truck-trailer chassis or railroad car beds, or placed at stationary locations when large amounts of nitrogen are needed.
   管道一般是安装在拖车底盘或有轨车底座上，或者当需要大量氮时放置在固定位置。