gravels造句
2024年06月21日 12:12:43
Suetion devices are inadequate in
gravels or very porous soils.
吸水裝置對砂礫或非常疏松的土壤是不適用的.
They may form concentrated pockets in
gravels.
它們可能在礫石堆積物中形成富集的礦囊.
Graves are a mix of
gravels, clay and sand carried out by the river.
它混合著碎石 、 粘土和河流帶來的沙子.