FS coustic feedbck speker 声反馈扬声器
DSP dynmic speker 电动式扬声器
SPEKER WIRE 喇叭线
SPE speker 扬声器
"It is submitted that the issue here is whether her concerns about filming are genuine ones to bring about greater democracy or are the latest manifestation of her campaign, " said Adam Speker.
BBC: Mark James and Jacqui Thompson
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