短语词组短语laser r diode amplifier 激光二极管放大器laser r diode coupler 激光二极管耦合器laser r diode detector 激光二极管检测器laser r diode driver 激光二极管激励器laser -diode 激光二极管;管laser receiver diode 激光接收二极管laser r diode demodulator 激光二极管解调器 返回 laser diode