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前言本标准是对专业标准 ZBY31 6- 85《工业 X射线探伤机性能测试方法》的修订 ,按 GB/T1《标准化工作导则》对原标准作了编辑性修改 ,ZBY31 6非等效采用美国电器制造商协会标准 NEMAXR3- 70《X射线仪器设备试验方法》和前苏联国家标准гост2 2 0 91 - 77《X射线仪器参数测?
Preface This standard is a professional standard ZBY31 6-85 “industrial X-ray testing machine performance testing methods” revision, according to GB / T1 “Standardization Guide” made an original editorial changes to the standard, ZBY31 6 non-equivalent use of the United States Electrical Manufacturers Association Standard NEMAXR3- 70 “X-ray equipment test methods” and the former Soviet Union national standard гост2 2 0 91-77 "X-ray equipment parameters measured?