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inland waterway navigation
释义
inland waterway navigation
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inland waterway navigation
内河航行
船舶在内河航道(江、河、湖泊、水库和人工运河)的航行。船舶驾驶员根据航道的地形、水文、气象等特点,利用航标、航海仪器、航行图等引导船舶安全航行。
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ancient farming system
ancient farming techniques
ancient farm power
ancient farm tools
ancient fishing gear
Ancient Fu
ancient ginkgo at the Tianshidong Taoist Temple of Dujiangyan City
ancient ginkgo group in Pan County
Ancient Ginkgo in Changshun
Ancient Ginkgo in Fuquan City
ancient ginkgo in Jiyuan
ancient ginkgo in Lantian City
Ancient Ginkgo in Yingjing County
Ancient Ginkgo in Zhaogong Temple, Dujiangyan City
Ancient Ginkgo Tree at Mituo Temple in Qionglai
ancient ginkgo trees in Changxing County
ancient glacier
ancient glass of China
ancient government parallel documents
Ancient Granite Stele Axum Ethiopia
Ancient Greece
Ancient Greece Olympic Games
Ancient Greek and Roman music
ancient Greek art
ancient Greek city
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