18 4503.272044836005 117.690384 39.56503 117.71917 39.53262 808 0 72 918.0 962.0 0.0 0.0 1.018258 808.0 1342.0 A a 3 13 42 5 41 还乡河 SMID SMLENGTH SMSDRIW SMSDRIN SMSDRIE SMSDRIS SMUSERID SMTOPOERROR SMGEOMETRYSIZE FNODE_ TNODE_ LPOLY_ RPOLY_ LENGTH RIVER_ RIVER_ID LY1 LY2 LY3 LY4 HL JB GS NAME 18