低真空空气测微仪
low vacuum air micrometer
光学元件真空蒸镀设备
optical device vacuum evaporation equipment
配件b.部件c.组件d.附件e.备件
FittingsPartsComponentsAccessoriesSpare Parts
126kV双断口真空断路器
126 kV double-break vacuum circuit breaker
20kV户外柱上真空断路器
20 kV outdoor on-post vacuum circuit breaker
24kV户外高压交流真空断路器
24 kV outdoor high-voltage AC vacuum circuit breaker