时时彩注册:官网首页

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                本地扩音

                智慧教室本地扩音时时彩注册系统实现可忽略级“声污染”,打造绿色、无噪声时时彩注册的健康学习环境,可根据教室面积合理布置音箱数量、位置、配套功放及选择功率,声音扩散性良好,声场分布均匀,响度合适,自然度好,能保证英语等课程要求的高清晰度人声时时彩注册还原扩音效果。

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