GB/T 33012.4-2025英文版翻译 道路车辆 车辆对窄带辐射电磁能的抗扰性试验方法 线束激励法 This document is applicable to the vehicles of categories M, N and O (regardless of the vehicle propulsion system, e.g., spark-ign 试验 线束 窄带 电磁能 窄带辐射 2025-10-21 08:00 3