... plumb pile 垂直桩 plumb point 垂准点 optical plumb 光测悬线,光测垂线,...
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map plumb point 图面天底点
plumb point triangulation 天底点三角测量
Photograph plumb point 像底点
ground plumb point 地面底点
conventional plumb point 假定天底点
plate plumb point 象底点
·2,447,543篇论文数据，部分数据来源于NoteExpress
But the ultimate challenge will be to see whether their vessel can plumb the ocean's deepest point.
BBC: James Cameron gets ready to dive to the Mariana Trench
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