Purpose : To recommend a new stand draining method in ileal ureter .
目的： 探索回肠代输尿管术中新的支架引流方式。
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。
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.
叙述了腈氯纶废原液的产生原因、排放点及其组成，详细地阐述了废原液的工业化回收方法和工艺参数，最后对结果进行了讨论。
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