短語詞組短語optical directional coupler 光定向耦合器;光學定耦合器;光學定向耦合器optical waveguide coupler 光波導耦合器;光波導管耦合器optical multiport coupler 光學多端口耦合器optical rod coupler 光學棒狀耦合器optical filter coupler 濾光耦合器Plastic Optical Fiber Coupler 塑料光纖耦合器integrated optical waveguide coupler 集成光學波導耦合器Optical Fiber Coupler laser 光纖耦合激光器optical fiber coupler 耦合器 返回 optical coupler