double-pole single-throw switch

单刀三掷开关,SP3T,... ... ) SP5T switch 单刀五掷开关 ) double-pole single-throw switch 双刀-单掷开关 ) SP3T 单刀三掷开关 ...

... double-pole single-throw 双刀单掷开关 double-pole single-throw switch 双极单投开关 double-pole switch 双极开关 ...