two-pole switch 双级开关 ; 二极开关

two pole knife switch 双极闸刀开关

Double pole two way switch 双极双刀开关

two-photo pole switch 两极开关

two-pole type switch 双极型开关

two-pole knife switch 双极闸刀开关

two-photo pole switch detail 两极开关

Surface-type Rocker Two-way Double-pole Switch 明装跷板式两极双控开关

Surface-type Tumbler Two-way Double-pole Switch 明装倒扳式两极双控开关