... pole switch 极柱式开关；架空安装开关；杆上开关；杆装开关 pole type switch 杆式开关 pole-changing switch 换极开关 ...
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two-pole type switch 双极型开关
Surface-type Rocker Single-pole Switch 明装跷板式单极开关
Flush-type Rocker Three-pole Switch 暗装跷板式三极开关
Flush-type Rocker Single-pole Switch 暗装跷板式单极开关
Flush-type Rocker Double-pole Switch 暗装跷板式两极开关
Flush-type Tumbler Double-pole Switch 暗装倒扳式两极开关
Flush-type Tumbler Single-pole Switch 暗装倒扳式单极开关
Surface-type Tumbler Three-pole Switch 明装倒扳式三极开关
Surface-type Rocker Double-pole Switch 明装跷板式两极开关
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