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船舶引航
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船舶引航
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船舶引航
为维护国家主权,保障船舶和港口的安全,由持有有效引航员适任证书并在一个引航机构从事船舶引航工作的引航员在划定的引航区将船舶从一个地点引领到另一地点的行为。旧称引水。俗称领港,内河引航俗称领江。承担引航任务的人员称引航员,旧称引水员。
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fresh cocoon
fresh cocoon quality inspection
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Fresh Fish Delicacy in South Yangtze River
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Fresh Green
freshness of aquatic products
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Fresh products E-commerce
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