爱词霸英语   汉语   手机版   软件版下载 | English
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1.The armed forces have improved such facilities for preparation against war as air traffic control and frontier defense roads, in order to support the development of the civil transportation.
加强空中交通管制和边防公路等战备设施建设，支持民用交通运输业的发展。收藏指正
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