<?xml version="1.0" encoding="utf-8"?>
<Params>
<layers>  	
	<layer label="污水">
			
    </layer>
	<layer label="雨水">
			
    </layer>

	<layer label="天然气">
		
    </layer>

	<layer label="给水">		
				
    </layer>
	
	<layer label="标识器">		
				
    </layer>	
</layers>
</Params>