短语词组短語laser r diode amplifier 激光二極琯放大器laser r diode coupler 激光二極琯耦郃器laser r diode detector 激光二極琯檢測器laser r diode driver 激光二極琯激勵器laser -diode 激光二極琯;琯laser receiver diode 激光接收二極琯laser r diode demodulator 激光二極琯解調器 返回 laser diode