Establishment of torque mathematic model for a variable speed turbo coupling is the key for analysis and calculation of system dynamic response.
建立调速型液力偶合器力矩特性数学模型是分析和计算机械系统动态响应的关键。
2
The turbo-supercharger is widely used in engineering machinery and huge volume of vehicles, which is the key part to affect their performances.
涡轮增压器广泛应用于工程机械和大排量汽车，是影响其使用性能的关键部件。
3
The key technologies to lower the exhaust emission, included the in-cylinder control, exhaust gas recirculation, variable geometry turbo, 4-valve, common rail and after-treatment are presented.