The navigation lights of some aircraft consist of a single circuit controlled by a single switch which has an ON position and an OFF position, with no additional positions possible.This switch is referred to as a
发布于 2021-02-18 21:53:26
【单选题】 A double-pole, single-throw (DPST), two-position switch. B single-pole, double-throw (SPDT), two-position switch. C single-pole, single-throw (SPST), two-position switch.
