... single pole single throw 单刀单投 single pole single throw单极闸刀开关 single pole switch 单刀开关 ...
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...规格 / 规范(Specification) 扬声器(Speaker) 单极双投(Single Pole Double Throw) 单极单投(Single Pole Single Throw) 同步及并联模组(Synchronizing and Paralleling Module) 同步开关(Synchronizing Switch) 短延时(Short Time Delay) 站(...