AIS航道管理平台
AIS platform for channel management
安徽省航道管理局
anhui province channel administrative bureau
长江口深水航道治理工程
the Yangtze Estuary deepwater channel regulation project
长江口深水航道治理工程一期工程
the Yangtze Estuary deepwater channel regulation project
长江口深水航道治理一期工程
The first stage of Yangtze Estuary Deepwater Channel Regulation Project
港口航道水深
water depth of port and water ways