英语语法分析

The helicopter is powered by two Pratt & Whitney Canada PT6C-67C turboshaft engines.

直升飞机动力由二台普惠加拿大公司PT6C-67 C涡轴发动机提供。

A starter mathematic model on a turboshaft engine is described briefly in the paper.

简单介绍了某燃气涡轮轴发动机起动电机数学模型。

Then, we can use the model to analyze starter characteristic effect on start performance of turboshaft engine.

然后，利用建立的数学模型分析起动电机特性对燃气涡轮轴发动机起动性能的影响。