航标维护质量
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There are so many terminals in DaLian port area, but there are some disadvantages in the management of Aids to Navigation, which has negative influence on the vessels sailing in the DaLian port area.
大连港区码头众多，航道复杂，目前在航标的管理上还存在一定的不足，对航行在大连港区的船舶安全产生了一定的影响。
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