单极闸刀开关 [电] single-pole knife switch ; one-pole knife switch
三极双掷闸刀开关 three-pole double-throw knife switch
闸刀开关铜片 switch tongue ; switch blade
模型箱闸刀开关 mould case fused knife switch
封闭式闸刀开关 enclosed knife switch
双闸刀开关 double bladed knife switch
小型闸刀开关 baby knife switch
三极闸刀开关 three-pole knife switch
双极闸刀开关 two pole knife switch
应在供电线路中安装铁壳闸刀开关一只，供此箱专用，并将外壳接地。
A knife switch with iron shell shall be installed in the power supply line, which is exclusively for this oven, and the outer plate shall be grounded.
电瓷件、瓷灯头、瓷灯座、座熔断器、绝缘子、闸刀开关、瓷接器、瓷插座等各式灯座。
Produces including lampholders porcelain lampholder fuse box insulator knife switch adapter block porcelain socket porcelain etc.
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