coaxialadj.同轴的coaxial speaker同轴扬声器coaxial duplexer天线转接开关,天线双工器coaxial TV cable同轴电视电缆coaxial injector同轴喷射器coaxial filament同轴丝coaxial uniguide单向同轴波导管coaxial cylinder共轴圆柱coaxial matching同轴匹配coaxial RF cable同轴射频电缆coaxial vircator同轴虚阴极振荡器