真空速 meaning in English
airspeed , true
speed; true air
true air speed（ras）
true airspeed (tas)
vacuum velocity
Examples
- While descending to 3000 feet , a barge swan shot past smashed the pilot tube ( pilot head ) , air speed indicator out of order
在下降到3000英尺的过程中，一只大天鹅很快越过，撞坏了空速管。真空速表失效。