high-gain narrow beam directional antenna
... 高增益定向天线high-gain directional antenna 高增益窄波束定向天线high-gain narrow beam directional antenna 移动车载电视mobile vehicle tv ...
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high-gain narrow beam directional antenna
高增益窄波束定向天线
以上为机器翻译结果，长、整句建议使用 人工翻译 。