辅助扬声器 meaning in English
subsidiary loudspeaker
subsidiary speaker
Examples
- Understanding is in the building of other part , if have remote control of demand , such as speech hall of lend support to the loudspeaker , or is a stereo set in the conventional center system
了解在建筑物的其他部分，是否有遥控的需要，如演说厅里的辅助扬声器，或者是会议厅里的音响系统