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to phrases
助航设备
avia.
navaid
busin.
Aids to Navigation
hydroel.st.
navigation aid
;
navigation aids
;
navigational aids
space
navigational aid
tech.
aids-to-navigation
;
navigation aid facility
;
navigation instrument
助航设备
:
43 phrases
in 8 subjects
Air defense
1
Aviation
5
Electronics
7
General
2
Navigation
1
Shipbuilding
2
Space
9
Technology
16
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