How many meters of isolation belt are there on both sides of Liaohe Dida?

200 meters. The 200-meter isolation belt on both sides of Liaohe levee is used for flood control. It can stop the flood on both sides of the levee, prevent the flood from scouring the city, protect the city from the flood, and ensure that the dam will not collapse when the flood comes. The isolation belt is also called telescopic isolation belt, one-meter line, railing seat, warning line and moving guardrail. , widely used in daily work and life, whether it is airports, banks, post offices, hotels, or institutions.