Water delivery and injection line: cleanup scale and sediment.
输水、注水管线：清除水垢、沉积物。
2
The contributions of ephemeral gully erosion development in different stages to sedimentdelivery were analyzed.
分析了浅沟发育不同阶段浅沟侵蚀对坡面侵蚀产沙的贡献。
3
In different land use systems, the relation among rainfall amount, rainfall intensity and runoff, sedimentdelivery is different. But they all reached 5% significance level.