1·Well do you remember when we talked about the need for recirculation?
你们记得当我们谈论，再循环的需要吗？
2·Air also flows into the lavatories from the cabin air distribution and recirculation system through individual air outlets.
空气也可以从客舱空气分配和再循环系统，通过单独的出口，流向厕所。
3·A recirculating water system of 1000 feet (300 meters) with a consistent tube diameter would require as much as 25 hours of filtered recirculation time for total particle removal.
一个1000英尺(300米)的再循环水系统，并且其配管的直径一致，则需要25小时的经过滤的再循环来去除总微粒。
4·A high pressure water separation is installed to take full advantage of available bleed pressures and recirculation capability.
装有一部可以充分利用可用引气压力和再循环能力的高压水分离器。
5·Install the additional coolant pump for exhaust gas recirculation.
安装用于废气再循环的附加冷却液泵。