Finally, the feasibility of this system was demonstrated via a case study of push-pull door.

最后，证明了该系统的可行性，通过案例研究的推拉式门。

youdao

Exits should be unblocked(from the inside), unobstructed and well marked. The exit door should push to open, not pull to open.

紧急出口需保持畅通， 不得有任何阻挡/阻塞， 且明显标示。 紧急出口门必须是推开， 而不是拉开。

youdao

You have to pull, not push the door to open it.

你想开门，要拉而不是推。

youdao