大家都搜:
双向晶体管
1、transistor radio───n.晶体管收音机
2、transistor radio A───晶体管收音机A
1、photo-bidirectional negative resistance transistor (PBNRT) is a novel s type photoelectric negative resistance device.───光电双向负阻晶体管(PBNRT)是一种新型S型光电负阻器件。