ULD为Unit Load Device的缩写，是航空运输中用来装载货物的集装设备，可以是集装箱，也可以是集装板和集装网组合。海关智能查验">

ULD滚筒输送线是一种通过滚筒传动的输送设备，应用于机场货运站UL打板，UL集装箱承载于滚筒上，由滚筒转动向前运动。末端设计有电动阻挡。

A conveying device driven by a roller, applied to UL boarding a t an airport freight station. The UL container is carried on the roller and moves fo rward by the rotation of the roller. Electric blocking at the end.