knife switch 刀开关 ; [电] 刀形开关 ; 闸刀
enclosed knife switch 封闭式闸开关 ; 封闭式闸刀开关 ; 金属盒开关 ; 铁壳开关
single knife switch 单刀开关
single-pole knife switch [电] 单极闸刀开关
inspector knife switch 检修闸刀开关
double-bladed knife switch 双闸刀开关
one-pole knife switch 单极闸刀开关
fused knife switch 闸刀开关
以上来源于: WordNet
N an electric switch in which a flat metal blade, hinged at one end, is pushed between fixed contacts 闸刀开关
Produces including lampholders porcelain lampholder fuse box insulator knife switch adapter block porcelain socket porcelain etc.
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。
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.
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。
It indicates that the rotary-arc gap switch employing a sharp knife-edge electrode as a third trigger electrode can distinctly reduce the electrode erosion and prolong the lifetime of the switch.
在不同开关结构、不同电极材料和不同电流波形情况下对开关进行了单次触发放电实验，验证了旋转电弧、场畸变间隙开关能够有效地减轻开关电极的烧蚀程度；
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