求翻译：（2）根据FED文件所示，软化水工艺包中各装置的重力排污进入回收水罐，建议设置1座污水回收缸（地下），收集各装置的重力排污及来水缓冲罐的污油，然后由泵提升至原油缓冲罐。是什么意思？

(2) FED files shown in the device technology package softened gravity sewage into the recovery tank, it is recommended to set a sewage collection tank (underground), to collect the sewage and runoff gravity device buffer tank of waste oil, then raised to crude oil from the pump buffer tank.

(2) according to FED file, as