他们用平板卡车运送了一台大型发电机。

They transported a large generator on a ___flatbed.

他把文件放在平板扫描仪上准备复印。

He placed the document on the ___flatbed scanner to make a copy.

工人们正在将大型机器装到平板车车厢上。

Workers are loading the heavy machinery onto the ___flatbed railcar.