PTU Partial Throttle Unlock是什么意思

用法例句

The relationships among the torque,the speed,the specific fuel rates of the engine,and the throttle angle were studied on the basis of the engine performance test results.

根据发动机特性实验结果研究了发动机扭矩和转速与燃油耗及节气门开启角之间的关系。