The APU is composed of three distinct module: Power section, load compressor and gearbox. The above sentence means "APU是有三个不同的组件: 动力部分,负载压缩机和齿轮箱组成。"
A.1
正确答案是A
The APU is composed of three distinct module: Power section, load compressor and gearbox. The above sentence means "APU是有三个不同的组件: 动力部分,负载压缩机和齿轮箱组成。"
A.1
正确答案是A