1. （报纸或杂志中的）活页
In a newspaper or magazine, a pull-out is a section which you can remove easily and keep.

e.g. ...an eight-page pull-out supplement.
有8页活页的副刊

2. （军队的）撤出，撤退
When there is a pull-out of armed forces from a place, troops which have occupied an area of land withdraw from it.

e.g. ...a pull-out from the occupied territories...
从占领区撤军
e.g. The pull-out of the army paves the way for independence.
军队的撤出为独立铺平了道路。