医用成像部门的评价及例行试验 第2-2部分:X射线摄影暗匣和换片器 屏-片接触和屏-匣组件相对灵敏度稳定性试验

Evaluation and routine testing in medical imaging departments--Part 2-2:Constancy tests--Radio-graphic cassettes and film changers--Film-screen contact and relative sensitivity of the screen-cassette assembly