应用在礼堂、会堂、多功能厅、歌舞厅及流动演出中。

Application in the auditorium, halls, multi-purpose halls, dance halls and mobile performance.

youdao

应用在礼堂、会堂、多功能厅、歌舞厅及流动演出中。

Application in the auditorium, halls, multi-purpose halls, dance halls and mobile performance.

youdao