The main grunt of the new RS5 comes from a 2.9-liter, twin-turbocharged V-6 mounted up front under the hood. On its own, that engine produces 503 horsepower, a figure that you might think is plenty. Here, though, it has some help here in the form of not one but two electric motors.
Что думаешь? Оцени!，这一点在体育直播中也有详细论述
this._fedUpTo = Math.max(this._fedUpTo, end);，更多细节参见体育直播
select_case 3.459