non-radioactive electron capture detector
放射性测厚计
radioactive thickness gage
暂无补充释义。
radioactive thickness gage
暂无补充释义。
non-radioactive electron capture detector
radioactive isotope
radioactive labeling procedure
radioactive substance
radioactive contamination
radiation hydrogeology【地质】;radioactive hydrogeology【地质】;radiohydrogeology【地质】
radioactive contamination
radioactive substance