In field bleachers at the back of last seat, design personnel arranged circuit loudspeaker ably, although you sit,be in last, heard spot voice also in front of..

• 在球场看台最后一排座椅后面，设计人员还巧妙地安排了一圈扩音器，即使你坐在最后一排，听到的现场声音也跟前...