从而能够在下午16:45点前完成所有的游戏环节，继而能够按时清理场地，

从而能够在下午16:45点前完成所有的游戏环节，继而能够按时清理场地，将场地交回给场地管理人。

結果 (英文) 1:

So as to be able to finish all of the games at 16:45, and to clear the area in time, will return the site to the site administrator.

結果 (英文) 2:

It is possible to complete all aspects of the game at 16:45 o'clock in the afternoon, and then be able to time to clear the area, the site will be returned to the site administrator.

結果 (英文) 3:

Thus able to complete all the Games in the afternoon before 16:45 points, and then be able to clean up the site on time, the site will be handed back to the site manager.