spoil pile meaning in English

弃土堆
矸石堆

The soil erosion is effectively prevented from the project construction of the water conveyance project for dahuofang reservoir by taking both the project of high way reform and the river traning project as the key points ; in which the measures to prevent the soil erosion are made for the spoils piled up with different types in all the spoil areas therein , and then the spoil is used to build high way and dike concerned as well
摘要大伙房水库输水工程以公路改造和河道规划整治项目为着手点，利用渣料修路筑堤；根据各渣场堆放形式的不同而采取不同的防治措施，可有效地防止工程施工可能造成的水土流失。