...营部 | 查看联系方式 价格面议 专注于甘肃平凉庆阳天水公共广播系统设备的批发 [0图] 公共广播设备（Public Address Equipment）：组成公共广播系统的..
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four-function public address equipment 四用广播机
Public address equipment operator 有线广播扩音设备操作员
Emergency Public Address Equipment 消防用紧急广播设备
public-address equipment 机上广播设备
Before performing as the absence of public address equipment, leadership requires us to sing with the voice can be heard the last row of theater.
以前参加演出由于没有扩音设备，领导要求我们用嗓音唱到剧场最后一排都能听到。
External malicious host can still through the NAT equipment and the public address using private address arrive the slogan "protected" host.
外部的恶意主机仍然可以通过NAT设备的公有地址和端口号到达使用私有地址的“受到保护”的主机。
Plant public address, Access door controller, and other miscellaneous electrical equipment maintenance.
工厂广播系统，门禁系统和其他零星电气设备的维护保养。
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