矿井高压电网单相接地电容电流检验规范
Testing specification of single-phase grounding capacitive current in high-voltage power network of mine
2022-10-12
AWS A10.1M-2007
Specification for Calibration and Performance Testing of Secondary Current Sensing Coils and Weld Current Monitors used in Single-Phase AC Resistance Welding
单相交流电阻焊用二次电流感应线圈和焊接电流监测器的校准和性能试验规范