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高空飞行 gāokōng fēixíng
gen. high flying
avia. altitude flight; upper airway flight
space high altitude flight; high-altitude flight
高空〔滑翔〕飞行
avia. soaring flight
高空飞行
: 30 phrases in 6 subjects
Aviation9
Electronics1
General5
Space10
Textile industry4
Transport1