[자동 import] bike_sejong. 원본 속성: {"fid":388,"elevation":0,"ewidth":0,"height":0,"layer":"MTBÄÚ½º","length":231.33416657618045,"x1":17573.113344661233,"y1":17369.74701316559,"z1":0,"x2":17694.009674209792,"y2":17507.677075489108,"z2":