Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/d5bb780b6cc2bfaa27d50e3142b0754e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 biconical horn例句_biconical horn英汉例句_biconical horn双解例句_食材铺反向词典
There are all kinds of antennas used in EMC test such as biconical antennas, log periodic antenna, helical antenna, ridged horn antenna and etc. 用于电磁兼容试验的宽频带天线有很多类型，如双锥天线、对数周期天线、螺旋天线、喇叭天线等等。