GB/T 12726.4-2013
核电厂安全重要仪表 事故及事故后辐射监测 第4部分:工艺流管内或管旁放射性连续监测设备
Nuclear power plants.Instrumentation important to safety.Radiation monitoring for accident and post-accident conditions.Part 4:Equipment for continuous in-line or on-line monitoring of radioactivity in process streams
GBT12726.4-2013, GB12726.4-2013