提出了JB/T 4730.2-2005《承压设备无损检测》中关于射线检测时机、圆形缺陷放宽、工业射线检测防护、小径管对接接头检测及γ射线对裂纹敏感性大的材料检测时值得注意的几个问题,并就各个问题谈了自己的看法。对射线检测人员理解标准条文有一定的帮助作用。 It is worth noticing in the testing of JB / T 4730.2-2005 Nondestructive Testing of Pressure Equipment that testing on the timing of the radiation, relaxation of the circular defect, detection of the industrial radiation, the testing of the butt joint of the small diameter pipe and the sensitivity of the γ-ray to the crack Of the several issues, and talked about their own views on various issues. Ray inspection staff to understand the standard provisions of a certain help.