lead 1
(1)导线，引线
(2)超前，导前
(3)前置量 lead 2
(Pb)铅

• pulse distance meters
• pulsed laer beacon
• pulsed laser
• pulsed laser action
• pulsed laser beam
• pulsed laser holography
• pulsed laser rangefinder
• pulsed laser welder
• pulsed metalvepor laser
• pulsed phase-modulated carrier
• pulsed resonance spectroscope pulsed rubey laser
• pulsed sandwich holography
• pulsed solid-state laer
• pulsed-source spectrophone
• pulsed temperatuer gradient
• pulse-duration modulation
• pulsed uv nitrogen laser
• pulsed voltage
• pulse echo
• pulse excitation
• pulse fall time
• pulse-free signal
• pulse-freqnecy modulation
• pulse freqnency spectrum
• pulse front