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航空法 hángkōngfǎ
environ. air traffic law International rules and conventions relating to air transportation (空中运输相关的国际准则和惯例)
航空法: 66 phrases in 17 subjects
Aviation13
Chemistry1
China4
Commerce1
Desert science1
Economy2
Electronics1
Forestry2
French2
General5
Geophysics1
Italian1
Oil / petroleum4
Oil processing plants1
Space14
Technology12
United States1