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本文从提高球罐焊缝γ射线照相质量的角度，提出了关于胶片的选择、像质计的放置、双源透照的限制以及减少和给定透照窗区等问题的见解。
In this paper, we put forward the opinions on the selection of film, the placement of image quality meter, the restriction of dual-source transmission and the reduction and the given transillumination window from the perspective of improving the γ-ray photography quality of the spherical weld.