n.逆流

Is sadness refluent and when is going up an end? 悲伤逆流而上何时是尽头？

Check uric fluid can be used upstream fight refluent operation to correct. 制止尿液逆流可采用抗逆流手术来纠正。

The paper introduced the application of negative pressure drainage vessel to the refluence clysis in 29 children with congenital megacolon. 介绍了负压引流瓶在29例先天性巨结肠患儿回流灌肠中的应用方法,根据小儿的生理解剖和病理特点,做好各种用物和患儿的灌肠前准备;

This paper introduces a refluence protection system for check valve,it can enhance the using efficency of the airflow power. 介绍了一套通过控制阀门开度,提高高炉送风系统能源利用率的止回阀逆流保护系统。

Low and low cost operation serve as a kind of fashion, can you have refluent when? 低价和低成本运营作为一种风尚，会不会有退潮的时候？