PDF(67 KB)
PDF(67 KB)
PDF(67 KB)
人民胜利渠灌区引黄灌溉50年成就回顾
Recollection of Achievements of People’s Victory Canal in Diverting Water from the Yellow River for Irrigation in the Past 50 Years
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |