As being constructed for more than ten years, the VTS of the Yangtze River make good progress.It enhances the safety of the ships navigation, guarantee the clearance of the Yangtze River.
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释义
摘要长江VTS系统在经过十几年的建设后取得了一定的成果,提高了长江干线船舶航行的安全、保障了水域清洁。
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