• A device in which compressed air or steam is driven against a rotating perforated disk to create a loud, often wailing sound as a signal or warning.

    装置其中被压空气蒸汽冲击一个旋转的有圆盘产生巨大的常常是尖锐声音作为信号警报

    youdao

  • A device in which compressed air or steam is driven against a rotating perforated disk to create a loud, often wailing sound as a signal or warning.

    装置其中被压空气蒸汽冲击一个旋转的有圆盘产生巨大的常常是尖锐声音作为信号警报

    youdao

$firstVoiceSent
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