Double-horn feed for rear-feed 后馈双喇叭馈电器
double-horn loudspeaker 双喇叭扬声器
double horn feed 双喇叭馈电器
double-horn radiator 双号筒辐射器
double french horn 圆号 ; 转调法国号
double-ridged horn 双脊喇叭天线
Double Ridge Guide Horn Antenna 喇叭天线
double-ridged horn antenna 双脊喇叭天线
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