three-pole double-throw switch

three-pole single-throw switch 三刀单掷开关 ; 三刀单投开关 three-pole double-throw switch 三刀双掷开关 ; 三刀双投开关 single-pole three throw switch 单极三投开关 ..

 triple-pole double-throw

... GDDM triple-pole switch 三极开关 TPDT triple-pole double-throw 三刀双掷开关 triple-pole double-throw 三刀双掷 ...

 three-pole double throw switch

three-pole double throw switch 三刀双掷开关; 三刀掷开关 three-pole double-throw switch 三刀双投开关; 三刀双掷开关 .