电磁安培计 electromagnetic ammeter ; solenoid ammeter ; ammeter

电磁制安培 abampere CGS ; absolute ampere CGS

电磁安全机构 electromagnetic safety mechanism

电磁安全分析 Electromagnetic safety analysis

电磁式安培表 electromagnetic ammeter

电磁式毫伏安计 electromagnetic millivolt ammeter

电磁控制式安全阀 electric relief valve

电磁干扰安全裕度 [电磁] electromagnetic interference safety margin