套管直径增大，套管波的幅度减小；
The amplitude of casing wave decreases with increasing casing diameter;
明确了射孔直径、密度及相位等与套管强度的关系。
The relationships among perforation diameter, density, phase and casing strength are clarified.
介绍了开发研制的黄铜薄壁小直径天线套管，并对拉伸断裂的塑性变形理论进行了分析探讨。
The thin thickness small diameter brass antenna casing is introduced and plastic deformation theory in tension fracture process is analyzed.
应用推荐