亚洲 欧美 图片 自拍 视频

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          Circuit diagram of audible transition lamp

          Some drivers keep turning lights on long after turning without knowing. To avoid this, an audible warning system was designed to warn drivers that the changing lights are still flashing.

          The illustrated audible alarm circuit adopts MALLORY SCIS siren (SO-

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          亚洲 欧美 图片 自拍 视频
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