模袋混凝土衬砌渠道糙率系数原型观测试验与误差分析.

Autor: 贾宏伟, 翟东汉, 何武全, 郭彦芬, 霍轶珍
Zdroj: Journal of Shenyang Agricultural University; Dec2018, Vol. 49 Issue 6, p742-748, 7p
Databáze: Complementary Index