ZN23-40.5C/2000A-31.5手车式35KV户内高压真空断路器 ¥333.00 ZN23-40.5户内真空断路器手车式,固定式(630/1250/1600/2000A/2500A ¥333.00 ZN23-40.5-2000A-31.5型户内三相交流真空断路器 ¥333.00 35kv户内真空断路器ZN23-40.5 ¥333.00 zn23-40.5/1250/1600/2000a/2500A手车式真空断路器定制厂家 ¥333.00 ZN23-40.5C/2000A-31.5系列户内手车式真空断路器 ¥333.00