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示位标
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示位标
Encyclopedia
工学
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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Well
well
Welland
well-attainable boundary point
well-behaved
well-behaved function
well-behaved problem
well-being
wellbore or borehole
wellbore storage
well-bounded operator
well canal method
well cementing
well-collimated beam
well completion
well completion and workover standpipe system
well completion process
well-completion strings
well completion test
well-conditioned
well condition monitoring
well control equipment
Well-Covered Commentary on Poetry
well-defined
well density
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