link_id,from_order,from_name,to_order,to_name,routing_method,length_km,length_factor,effective_length_km,velocity_ms,travel_time_day,muskingum_k,muskingum_x,loss_rate,note
1,1,Node_A,2,Node_B,muskingum,35,1.15,40.25,0.60,,0.776,0.20,0.02,"Ví dụ Muskingum: có thể nhập K hoặc để trống K nếu có effective_length_km + velocity_ms"
2,2,Node_B,3,Node_C,lag_loss,20,1.00,20,0.50,,, ,0.01,"Ví dụ lag_loss: travel_time_day sẽ tự tính nếu để trống"
3,3,Node_C,4,Node_D,static,,,,,,,,,"Ví dụ static: link truyền trực tiếp, được tính ready"