Its applications are so wide such as at school, commercial facilities, meeting room, show window.

其应用非常广泛，如在学校，商业设施，会议室，展示橱窗等。

youdao

Its applications are so wide such as at school, commercial facilities, meeting room, show window.

其应用非常广泛，如在学校，商业设施，会议室，展示橱窗等。

youdao