relay-set
美 英
英汉解释
例句
It has two relay set points: one overspeed plus one auxiliary for crank disconnect, generator field-flashing, or other alarm.
它有两个继电器设定点:具有发电机现场闪烁保护,或其他辅助超速报警。
radio relay set in yard and station
站场无线电中继转发台