通航[tōng háng]
词典be open to navigation or air traffic：通航。
1. Navigation：船闸:navigation lock | 通航:Navigation | 导航:navigation
2. exchange of air and shipping services：通邮 exchange of postal services | 通航 exchange of air and shipping services | 风云变幻 volatile
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3. V: to be open to navigation or air traffic：登機: V: to board a plane | 通航: V: to be open to navigation or air traffic | 造成: V: to cause; to form; to make ; to bring about