living standards, poor farmers in le ss than complete elimination of 4600 Yua n, 8949, 19008. "Five water s rule": t he County invested 2.169 billi on y uan, similar counties li ne the city's first complete the 42 km of se wage pi pe network constructi on, com pletion rate ranked first i n the city, w on t he pr ovincial rural se wage treatment w ork better; key poll ution sources such a s ele ctr