单词protective-slope
The application of geotechnical cancellus for protective slope in canal
土工格室在渠道护坡中的应用
Design and construction of high side protective slope for expressways
高挖方边坡防护工程的设计与施工
Concrete protective slope design of earth dam in freezing area
冰冻地区土坝混凝土护坡设计