CT reconstruction technique of multi-mode after T & tube cholangiography or ERCP can show the three-dimensional anatomical structure to identify the site of bile duct lesions shape scope nature and the relationship with the surrounding tissue clearly .

ERCP或T 管造影术后CT扫描联合后处理重建技术能清楚显示胆道立体解剖结构，辨别胆道内病变的部位、形态、 范围、性质及与周围组织的关系。

Better precision X ray tube and wider analysis scope long lifetime up to10 years .

激发源X射线光 管精度更高， 范围更宽，使用寿命长达10年以上；

Based on engineering experiences for many years this paper analyzes and evaluates the method of tube well precipitation through actual examples and deals with its basic characteristics and scope of uses .

结合多年的建设实践，通过实例对 管井降水法进行了分析论证，介绍了管井降水的基本特点及其使用 范围。

The seismic design method of Shear wall with concrete filled round steel tube columns and concealed steel trusses have been presented which include applied scope general rules the layout principles and construction measures .

给出了圆 钢管混凝土边框 内藏钢桁架组合剪力墙抗震设计方法。包括适用 范围、一般规定、布置原则和构造措施。