OB van

• 实况转播车

OB van的用法和样例：

例句

1. Lawo also manufactures matrix systems and audio networks, carries out project engineering and acts as a main contractor for radio OB vans.
   朗沃还生产矩阵系统和音频网络，承担项目工程，同时也作为总包商承揽电台转播车制作业务。