Read Edit View history 铅垂线 qiānchuíxiàn plumbline Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 铅垂线/鉛垂線 · qiānchuíxiàn · plumbline 2026/03/04 铅垂线 / 鉛垂線 qiānchuíxiàn plumbline a line with a weight attached to one end, used to determine a vertical direction 建筑工人利用铅垂线来测量墙体是否垂直。 created sense Mar 4, 2026, 02:25 AM