<正>ZhangAutonomousRegion,theso-called"theroofoftheworld",isrichinwaterresources.Theannualrunoffoftheriversintheregiontotal448.2billioncubicmeters,accountingfor16.15％ofthenationaltotal.Thetotalamountoftheperennialwaterresourcesonaverage(?)nksfirstinChina.andthedevelopablewaterresourcestotal5.65millionkilowatts,ranking2ndinthewholecountry.Inordertostrengthenthewaterconservancy
