A vertical arrangement of public-address or hi-fi equipment.
| 单词 | θ65594 | 
| 释义 | the world > physical sensation > hearing and noise > audibility > sound magnification or reproduction > 			[noun]		 > public address system > vertical arrangement of equipment (1)		 stack1971 A vertical arrangement of public-address or hi-fi equipment. | 
| 随便看 | 
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