zhèng guó qú
Zhengguo canal, a 150 km long irrigation canal in Shaanxi built in 264 BC
郑
zhèng
abbr. for Zhengzhou 鄭州|郑州[Zheng4 zhou1], the capital of Henan
国
guó
country; nation; state
渠
qú
(artificial) stream; canal; drain; ditch (CL:條|条[tiao2])