短語詞組短語asymmetric ridged -waveguide 不對稱脊波導double ridged corrugated waveguide 雙脊軟波導Ridged circular waveguide 加脊圓波導quadruple -ridged rectangle waveguide 四脊矩形波導single -ridged trapezoidal waveguide 梯形單脊波導ridged waveguide cavity 脊波導諧振腔ridged waveguide phase shifter 背脊波導移相器Quadruple -ridged waveguide 四脊波導 返回 ridge waveguide