渡航 meaning in Chinese

crossing

Your doctor may wish to contact our aviation medicine office for further discussions , particularly if it is felt that oxygen is required for the journey
相谈受医师、特渡航中酸素必要感场合、当航空航空医疗连络。
According to the experience of electromechanical equipment management of dayuandu navigation - power junction on xiangjiang river of hunan province , this paper probes into the significance and methods of whole - process management of hydropower & navigation and power generation junctions from design , manufacture and installation to operation and maintenance
摘要基于湖南省湘江大源渡航电枢纽机电设备管理的经验，探讨水电、航电枢纽工程设备从设计、制造、安装到运行、维护实施全过程管理的意义及方法。