"One pressure gage on the first officers panel(p3) indicates wit

"One pressure gage on the first officers panel(p3) indicates with separate pointers the total pressure available in A and B system." The above sentence means "副驾驶面板(P3)上的一个压力表通过单独指针可指示A、B系统内的现有压力".

A.1

正确答案是A