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浙江天乐集团告诉设计生产的平面扬声器，于3月引日通过了省纪委组织的新产品一次性鉴定。天乐公司生产的平面扬声器，是自主开发与技术引进相结合的产物，它在振动机理和结构外形等方面突破了传统产品，式样新颖，厚度小，特别适合墙面贴装，并在指向性一致、频响、失真、音质
Zhejiang Tin Lok Group told the design and production of flat speakers, in March by the Provincial Commission for Discipline Inspection organized a one-time identification of new products. The flat loudspeaker produced by Tin Lok Company is the product of the combination of independent development and technology introduction. It breaks through the traditional products in terms of vibration mechanism and structure shape. It is novel in appearance and small in thickness and is especially suitable for wall mount. Consistent, frequency response, distortion, sound quality