The designing of level field concrete canal and its variable flowrate irrigation
1988
Zhang Yuchi (Water Conservancy Bureau of Langfang Prefecture, Hebei (China))
AGROVOC关键词
书目信息
页码
pp. 62-63
其它主题
Hormigon; Diseno; Reseau d'irrigation
语言
中国人
注释
1 table
1989-08-15
AGRIS AP