gullyn.小峡谷;排水沟v.在…上开沟;形成冲沟=gulley.
gully control planting沟蚀防治种植
gully-stabilization works沟壑稳定工程
gully area of Loess Plateau黄土高原
gully erosion control forest沟道防护林
gully region of locss plateau黄土沟壑区
gully region of loess plateau黄土高原沟壑区
gully stabilization structure沟壑稳定建筑物