Transitive verb and Ichidan verb
とりかえる
そろそろ我々のOA機器を最新のものに取り替える方がいいんじゃないでしょうか。
We should gradually replace all of the office automation equipment for the latest versions.
Take and replace something. That is to exchange something with something else.
The readings are 取る and 替える put together into one. If you know those words you'll be able to read and understand this one as well.