词汇	涡旋环
释义	涡旋环医vortex ring
随便看	emitter current emitter current focusing emitter cut off current emitter cut-off current emitter degeneration emitter-degeneration resistor emitter degenerative amplifier emitter depletion layer emitter depletion layer capacitance emitter diffusion emitter diffusion capacitance emitter diffusion layer emitter diffusion opening emitter diffusion resistance emitter digit emitter diode emitter dip emitter dip effect emitter dipping emitter dipping effect emitter discharge emitter discharge rate emitter discription table emitter dissipation emitter dot