过渡高度与过渡高度层之间的空间。

过渡高度与过渡高度层之间的空间。
A、Theairspacebetweenthetransitionaltitudeandthetransitionlevel.
B、Theairspacebetweenthetransitionheightandthetransitionlevel.
C、Theairspacebetweenthetransitionheightorthetransitionlevel.
D、Theairspacebetweenthetransitionaltitudeorthetransitionlevel.
正确答案：A