For the past few years, a new kind of SF6 switch with graphite contactor had been released by Siemens.
近几年，西门子公司推出了带石墨触头的新型六氟化硫开关。
Therefore, SF6 density relay switch will have a direct bearing on the possibility of normal operation.
因此SF 6密度继电器的好坏直接关系着开关是否能够正常运行。
The composition, major function, operating principle and design idea of SF6 environment monitoring system for high-tension switch house were introduced.
介绍了高压开关配电室SF 6环境监测系统的组成、主要功能、工作原理及设计思想。
The composition, major function, operating principle and design idea of SF6 environment monitoring system for high-tension switch house were introduced.
介绍了高压开关配电室SF 6环境监测系统的组成、主要功能、工作原理及设计思想。
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