目的:探讨CR在床旁摄影的价值和贡献。
Since a long period ago, the dentistry diagnosis is mainly depended on the X-ray photograph.长期以来,牙科领域的诊断等大多以X射线胶片照相为主要手段。
In order to ascertain the soundness of welding, suitable number of X-ray photograph to be taken for the important members according to the Rule requirement.为了确定焊接的合格性,对于重要构件应按照规范要求拍适当数量的X光片。