multivoltemeter
多量程伏特计，多量程电压表

• wedge etalon
• wedge film
• wedge filter
• wedge gauge
• wedge key
• wedge lens condenser
• wedge pattern
• wedge photometer
• wedge-shaped
• wedge slot
• wedge spectrogram
• wedge spectrograph
• wedge tolerance
• wedge-type interference filter
• wedging
• Weigert effect
• weigh-bridge
• weighing machine
• weight
• weighted arithmetic mean
• weighted average
• weighted code
• weighted error
• weighted mean
• weight function