电压级 meaning in Chinese

voltage level

Electric cables - voltage levels for spark testing
电缆.火花试验电压级
Telecommunications - voltage levels for dc - powered equipment - used in the telecommunications environment
电信.用于电信环境的dc电力设备的电压级
Connectors for electronic equipment - tests and measurements - electrical continuity and contact resistance tests - test 2a - contact resistance - millivolt level method
电子设备用连接器.试验和测量.电气连续性和接触电阻试验.试验2a .接触电阻.毫伏电压级方法