gully control

基本解釋

The gully erosion control played a key role, and its soil conserving efficiency amounted about 71% of the total.
其中溝道治理起決定性作用，約占總減沙效益的71％。
The engineering of dam on slope land is one of the gully control measures to manage the slope land. From the top to the bottom edge on slope land, it is terraced land alternating with slope land.
“坡壩地”工程用治溝的形式治坡：一架山一面坡從上而下坡地和梯田水平帶狀相間排列至溝沿線。
Also, it analysed the advantages and disadvantages of water and soil conservation engineering structures including stripe lands, gully head control works, reservoirs and dams as well as afforestation.
分析評價了本區(qū)水土保持工程措施，如條田、溝頭防護(hù)、庫壩、造林等的優(yōu)點與不足。