... 类别Category 删格天线Grid Antennas 型号Model ...
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Parabolic Grid Antennas 天线
grid antennas
网格天线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Cell-towers are dependent on electric power from the grid, but many of them have backup batteries, and in some cases generators that can power the antennas independently for longer.
WSJ: Phone companies prepare for storm power outages
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