| 释义 |
extra-high voltage
ex·tra-high voltage (ĕk′strə-hī′)n. Abbr. EHV A voltage higher than 230 kilovolts.extra-high voltage
extra-high voltage[¦ek·strə ¦hī ′vōl·tij] (electricity) A voltage above 345 kilovolts used for power transmission. Abbreviated ehv. |