The intake process is the key part to the workingcircle of the engine.
发动机的进气过程是发动机工作循环的关键所在。
2
Stephen Covey calls this working within your circle of influence and it's a much more comfortable and effective place to operate from than stressing over things that are totally beyond your control.
Unlike Primakov's circle, Lebedev had spent his entire intelligence career in the West, working (like Putin himself) for the KGB in East Germany and for the SVR in the United States.