valley deposits meaning in Chinese

河谷沉积物

All valley deposits are subject to repeated erosion, transportation and redeposition .
所有的河谷沉积物都容易受到重复的浸蚀，搬运和再沉积。
Many problems in sediment engineering involve dealing with river valley deposits as a whole .
泥沙工程中的许多问题都把河流的河谷沉积物作为一个整体来研究。
The genesis of valley deposits is intimately associated with the history of the stream by which they were formed .
河谷沉积物的成因实质上与河流形成的历史相联系。