definite time-lag 定时滞 ; 定时限

definite time-lag switch 定时滞开关

definite time-lag current protection 定时限电流保护

definite time-lag protection 定时滞保护

definite-time lag [电] 定时滞

definite-time lag relay [电] 定时滞继电器

definite-time lag circuit breaker [电] 定时滞后断路器

definite-time lag overcurrent release [电] 定时滞过电流释放

inverse time-lag with definite minimum 反限时定限时