Ceramic Vacuum Interrupter  陶瓷真空灭弧室

High voltage vacuum interrrupter ho using  高压真空开关管壳

HIGH VOLTAGE VACUUM INTERRUPTER  高电压真空灭弧室

Switchgear with multiple function vacuum interrupter  多功能真空灭弧室开关柜

Vacuum Circuit Interrupter  真空开关

microwave vacuum drying combined with vacuum drying  微波真空与真空联合干燥

non-perturbative QCD vacuum and vacuum condensate  非微扰QCD真空和真空凝聚

vacuum dryer =vacuum drier  真空干燥器

vacuum drying plant and vacuum freeze drying plant  真空干燥设备和真空冷冻干燥设备

126 kV double-break vacuum circuit breaker  126kV双断口真空断路器; 适应性微分脉码调变

20 kV outdoor on-post vacuum circuit breaker  20kV户外柱上真空断路器

200kg vacuum furnace  200kg真空炉

24 kV outdoor high-voltage AC vacuum circuit breaker  24kV户外高压交流真空断路器

4W2 in-vacuum wiggler  4W2真空内扭摆磁铁

a vacuum column  减压塔

a vacuum furnace  减压炉

a vacuum transfer line  减压转油线

absolute pressure vacuum gauge  绝对压力真空表; 绝对压力真空计

absolute vacuum  绝对真空