ARC#PNT#TYPE 弧/點類型# remove the # sign and enter foreign help string in this lineCenter 中心Dimension between center of arc/circle and a line or another center.標注弧/圓的圓心與一條直線或另一圓心之間的尺寸。Tangent 相切Dimension between tangent point and a line or another tangent point.標注切點與一條直線或另一切點之間的尺寸。Concentric 同心Dimension between two concentric arc/circle entities.兩個同心圓弧/圓圖元之間的尺寸。