机械师空投声音 sir,In the pipe,five by five~~!和bay bay bay~~ 是什么意思

问题描述:

机械师空投声音 sir,In the pipe,five by five~~!和bay bay bay~~ 是什么意思

—“sir in the pipe five by five!”“长官在坐标5-5“
应该是美国空军专用术语