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本文详细介绍便携式工业X射线探伤机曝光曲线的制做方法，使用试块精度高、设计新颖，为射线探伤机的使用提供了精确、方便的理论依据。
This article describes in detail the manufacturing method of portable industrial X-ray inspection machine exposure curve, using the test block with high precision and novel design, which provides an accurate and convenient theoretical basis for the use of the inspection machine.