... 信号箱 signal box 信号装置 advertiser ;annunciator ;signal installation ;signalling apparatus ;talltale device 信号转换器 signal adapter ...
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traffic signal installation 交通标志设置
crossing signal installation 道口信号设备
installation height or signal 信号灯安装离度
Clean, crisp signals are ensured over long cable lengths, decreasing the need for signal Repeaters and saving on total installation costs.
清洁，保证清晰的信号在长距离电缆长度，减少对信号的中继器的需要，对总安装成本节省。
To avoid the rain when in the signal receiving bad phenomenon, so we in the installation of hou can according to this method to install the antenna.
从而避免了在雨水的时侯信号接收不好的现象，所以我们在安装的时侯就可以按着这个方法来安装我们的天线了。
The original installation receiving antenna, strengthens the signal receptivity.
原装接收天线，加强信号接收能力。
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