coaxialadj.同轴的coaxial system共轴系统coaxial filter同轴式滤波器coaxial rotors共轴式旋翼coaxial feeder同轴馈电线coaxial hybrid同轴混合器coaxial coupler同轴型高阶模耦合器coaxial TR tube同轴式开关管coaxial casstte同轴磁带盒coaxial section同轴电缆段coaxial rod gap同轴电极间火花隙