Title: Ming mai
Description: "Ming mai-Zhongguo shui li diao cha" yi Zhongguo qi da jiang he shui xi wei xian suo, zhan kai yi bu bei xin jiao ji, xue lei jiao zhi er you bo lan zhuang kuo de jiang he zhang juan, shu xie le yi bu Zhongguo zhi shui shi shi.
Subjects: Hydraulic engineering
Places: China