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射线检测作业指导书RT Operation Specification（中英对照），检测范围Scope of Testing防护Precautionary Measures检测人员NDT personnel透照方式Ways of radiographing表面要求Surface Requirements定位标记和识别标记Position and Identification Marks象质计Image Quality Indictor射线透照质量等级胶片和增感屏Films and Intensifying Screens几何条件Geometry无用射线和散射线的屏蔽Shielding of unwanted ray..