A vacuum degree measuring instrument of a vacuum switch without the detachment of an arcextinguishingchamber belongs to the detection field.
一种不拆卸灭弧室真空开关的真空度测量仪属于检测领域。
2
The utility model also relates to an arcextinguishing system which includes the arcextinguishingchamber and a miniature breaker which includes the arcextinguishing system.
本实用新型还涉及包括所述灭弧室的灭弧系统、以及包括所述灭弧系统的微型断路器。
3
The electric field calculation is used for the insulation design of SF6 circuit breaker arc-extinguishingchamber.