ifr
导读：ifr读音音标
ifr意思解释
abbr.inflight refueling 飞行补给燃料；infrared 红外线的； 英英释义 IFRIFR is instrument flight rules, rules for when flight by outside visu
ifr意思解释
abbr.inflight refueling 飞行补给燃料；infrared 红外线的； 英英释义 IFRIFR is instrument flight rules, rules for when flight by outside visu
ifr读音音标
ifr意思解释
abbr.
inflight refueling 飞行补给燃料；
infrared 红外线的；
英英释义
IFRIFR is instrument flight rules, rules for when flight by outside visual reference is not safe.
