killing room

The vacuum killing arc room has been the mainstream and future developing aspect in middle-voltage switch field because it has fully utilized the excellent characteristic of the insulation and killing arc of the vacuum .

真空灭弧室由于充分利用了真空优异的绝缘与熄弧特性，在中压开关领域中已成为当前的主流及未来发展的方向。

According to the vacuum electric arc theory , we can change the vacuum killing arc room touch head structure to produce magnetic field between the touch head interval when it is turned on and off to ensure the ability of opening and shutting the short circuit current .

根据真空电弧理论来改变真空灭弧室触头结构，使其开断时在触头间隙产生磁场的方法来保证真空灭弧室的短路电流开断能力。

Test of effectiveness of cockroach poison bait ( maxforce ) on killing cockroach in room

美国猛力牌（MAXFORCE）杀蟑药饵室内杀蟑效果试验