“疏浚”造句

他们正在疏浚港湾以便大船驶入。
They're dredging the harbour so that larger ships can use it.

通过疏浚保持河道的深度.
The depth of the river is maintained by dredging.

第404条要求对排放那些疏浚和填充材料予以限制.
Section 404 requires permits for the discharge of dredged or fill material.

• #疏浚