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to phrases
procedures for air navigation service
gen.
航空业务程序
Procedures for Air Navigation Services
avia.
空中导航中心用程序
(英国)
;
航空导航服务程序
English thesaurus
Procedures for Air Navigation Services
transp., abbr.
PANS
procedures for air navigation service
:
2 phrases
in 1 subject
Aviation
2
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