1.The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use.
飞轮的惯量能使发动机转速稳定和储存断续使用时的多余能量。
2.The milk-float is a vehicle suitable for intermittent use.
送奶车是适合于间歇性使用的车辆。