AecsBNC²³⁶²¹³⁺¹ 基本例句 计自动纠错原型aec的复数 The mathematical model for aircraft engine, heat exchanger, duct, venturi, valve and other components in aircraft environment control system AECS is described in this paper. 介绍了飞机环境控制系统中发动机引气、热交换器、管道、文氏管以及阀门等部件的数学模型。 cnki