Purpose : To recommend a new stand drainingmethod in ileal ureter .
目的： 探索回肠代输尿管术中新的支架引流方式。
2
The proper method for draining both Y-pattern stop-check valves and isolation gate valves is shown for typical mounting positions.
图中所显示的是Y型截止止回阀和隔断闸阀排泄的正确方法的典型安装位置。
3
The article related to reason of waste dope, draining point and composition. Expounded industrially recovery method and process parameter of waste dope, and discussed the results.