anvil
(1)砧骨(生理)
(2)铁砧
(3)测砧
(4)基准面

• voltage divider
• voltage doubling rectifying circuit
• voltage drift
• voltage-drop
• voltage fluctuation
• voltage regulator
• voltage resonance
• voltage stabilizer
• voltage-stabilizing
• voltaic cell
• voltameter
• volt-ampere
• voltmeter
• volume
• volume conductivity
• volume control
• volume element
• volume excitation
• volume expansion
• volume expansion coefficient
• volume hologram
• volume hologram memory
• volume holographic grating
• volume imagery
• volume integral