斜度标 xiédùbiāo gradient sign Definitions Defs Origin Strokes Stroke Words Sentences Sents 斜度标 斜度標 xiédùbiāo gradient sign a marker placed along a railway or road to show the degree of its slope or incline
斜度标 斜度標 xiédùbiāo gradient sign a marker placed along a railway or road to show the degree of its slope or incline