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水运交通指示
释
position indicating mark
示位标
设在湖泊、水库、水网地区或其他宽阔水域与重要航道附近,标示岛屿、浅滩、礁石及通航河口等特定位置,供船舶定位或确定航向的水上助航标志,又称灯塔。在内河航道可以为各种形状的塔形体。塔身外涂有显明的颜色,便于船舶识别。
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de Moivre quintic equation
de Moivre's law
de Moivre theorem
demolition and construction ratio
demolition blasting
demolition blasting of bridge
demolition blasting of buildings
demolition blasting of chimney
demolition blasting of cofferdam
demolition blasting of cooling tower
demolition blasting of supporting beam in foundation ditch
demolition blasting of water tower
demolition unit
demolization
Demon
Demonax crater
Demon Book Case
Demons
Demon Star
demonstrability
demonstrable
demonstration
demonstration area of national unity
demonstration area of no rodent-damage in grassland
Demonstration base for entrepreneurship and innovation
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