airworthiness directives meaning in English
适航指令
Related Words
- airworthiness
- airworthiness surveyor
- airworthiness certification
- airworthiness certificate
- airworthiness standard
- aircraft airworthiness
- airworthiness data
- airworthiness item
- airworthiness test
- airworthiness notice
- airworthiness committee
- airworthiness data
- airworthiness flight test
- airworthiness flight test schedule