陕西平高开关现货ZN85-40.5/2500-25户内固封真空断路器外形尺寸 ¥333.00 陕西平高开关现货ZN85-40.5/2500-31.5-35KV户内真空断路器厂家 ¥333.00 陕西平高现货ZN85-40.5/2500-25户内高压交流真空断路器 ¥333.00 陕西平高专注ZN85-40.5/2500-31.5户内35KV真空断路器安装尺寸 ¥333.00 35KV户内交流高压真空断路器ZN85-40.5/2500-25 ¥333.00 35kv户内真空断路器zn85-40.5/1600A-31.5 ¥333.00