词汇	the letters of credit
释义	the letters of credit 信用证
随便看	emitter-base emitter-base admittance emitter-base bandgap grading emitter-base capacitance emitter-base cutoff current emitter-base cut-off current emitter base diffusion emitter-base diffusion emitter base diffusion transistor emitter-base diffusion transistor emitter base diode emitter base junction emitter-base junction emitter-base saturation voltage emitter-base voltage emitter bass diffusion transistor emitter beam lead emitter bias emitter bias capacitor emitter-biased amplifier emitter coupled flip-flop emitter-coupled flip-flop emitter coupled injection logic emitter coupled logic emitter-coupled logic