Pulselli普尔塞利pulsen.脉搏；脉冲；[植]豆类v.搏动；跳动pulsed amplitude脉冲频率pulse extraction脉冲萃取pulse front edge脉冲前沿pulse width code[计] 脉冲宽度码pulse transducer脉冲转换器pulse time ratio脉宽周期比pulse jet engine脉冲式喷气发动机pulse echo metre脉冲回波测试器pulse bag filter脉冲袋式除尘器pulse separation脉冲间隔