The amount of air which is mixed with oxygen is controlled by cabin altitude. 翻译成汉语是:与空气混合的氧气量由座舱高度控制.
A.1
正确答案是B
The amount of air which is mixed with oxygen is controlled by cabin altitude. 翻译成汉语是:与空气混合的氧气量由座舱高度控制.
A.1
正确答案是B