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示位标
Encyclopedia
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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。
随便看
Young People in Our Village
young pigeon
Young Plan
Youngpoong Books
young population
Young Red Army Soldiers
Young's double-slit experiment
Young's double slit interference
Young's equation
Young's experiment
Young's experiment with weak light source
Young's interference fringes
Young's modulus
Young Soldier's Story
Young Soldier Zhang Ga
young stand tending
young star
young star cluster
young stellar object
youngster’s social house
Young subgroup
Young's wetting equation
Young symmetrizer
Young tableau
Young, Thomas
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