Read Edit View history 铅直线 qiānzhíxiàn plumb line Origin Definitions Defs Strokes Stroke Words Sentences Sents 铅直线 鉛直線 qiānzhíxiàn plumb line a line pointing straight down toward the center of gravity; any line that is perpendicular to a horizontal plane Cross-References Same as 铅垂线 qiānchuíxiàn
铅直线 鉛直線 qiānzhíxiàn plumb line a line pointing straight down toward the center of gravity; any line that is perpendicular to a horizontal plane Cross-References Same as 铅垂线 qiānchuíxiàn