鉛直線 qiānzhíxiàn plumb line Definitions Defs Origin 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
