rate-of-change relay

多音字rate of... ... 变率继电器(变率继电器) rate-of-change relay 变化率继电器(变化率继电器) rate-of-change relay ...

... rate-of -change relay 变率继电器 rate-of-change relay 变率继电器,微分继电器 rate-of-rise relay [电]上升速率继电器 ...