back-to-back mounting

基本解释

Easy mounting: Hooks, mounting-hole or magnet on back case are applied so as to move conveniently.
安装便捷：后壳采用挂钩和导孔或磁铁，移动方便。
Abstr: Mounting coupling ground wire is an effective lighting protection measure to reduce trip- out rate of back flashover.
文章摘要：架设耦合地线是一种有效降低线路反击跳闸率的防雷措施。
For one thing, it is sitting back-to-front compared with its usual mounting in an F1 vehicle, and this means its oil lubricant will move about the engine in a different way.
其中一项就是，相比它通常在 F1 赛车上的安装位置，这次它是前后颠倒的，这就意味着它的油基润滑剂会在引擎中以不同的方式移动。