GB/T 31723.412-2021
ActiveMetallic communication cable test methods—Part 4-12: Electromagnetic compatibility (EMC)—Coupling attenuation or screening attenuation of connecting hardware—Absorbing clamp method
金属通信电缆试验方法 第4-12部分:电磁兼容 连接硬件的耦合衰减或屏蔽衰减 吸收钳法