civil aviation organization
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- 民航组织
双语例句
- ICAO requires flight crew to be able to recognise the primary signal aviation colours of red, green and white, with blue and yellow as supplementary colours.
国际民航组织要求机组人员能够识别的信号航空的主要颜色的红，绿，白色，蓝色和黄色作为辅助颜色。
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