The main distribution manifold supplies the passenger compartment overhead distribution system through two sidewall risers.in the above sentence,"passenger compartment overhead distribution system" means " 客舱顶部分配系统".
A.1
正确答案是A
The main distribution manifold supplies the passenger compartment overhead distribution system through two sidewall risers.in the above sentence,"passenger compartment overhead distribution system" means " 客舱顶部分配系统".
A.1
正确答案是A