A large number of stone balls were unearthed in Xujiayao, Yanggao County, Shanxi Province.
2
中国大陆山西省大同市阳高县的邮政编码是038100。
The postcode of Yanggao County, Datong City, Shanxi Province, China is 038100.
3
从规划、标准、质量、管护、政策扶持和市场运作等方面介绍了阳高县沼气池建设的实践。
This paper introduces the practices of methane tank construction in Yangao County from the aspects of planning, standard, quality, maintenance, policy support and market operation.