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to phrases
standard instrument approach
avia.
标准仪表进近
;
标准仪表进场〔系统〕
;
标准仪表进场
进近
;
标准仪表进场
English thesaurus
Standard Instrument Approach
abbr., scottish
SIA
standard instrument approach:
4 phrases
in 2 subjects
Aviation
3
Electronics
1
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