“货车吊机”常见的英文表达是 "truck-mounted crane" 或 "lorry-mounted crane"（在英式英语中，“lorry”指“货车”）。
This truck-mounted crane is very efficient for loading and unloading heavy goods.（这台货车吊机装卸重物效率很高。）
We need a lorry-mounted crane to lift the equipment onto the truck.（我们需要一台货车吊机把设备吊到货车上。）