How to Use "dredger" with Example Sentences

1. Research about dredger structure design methods inland and abroad .

2. The current technological situation of combined mining with bulldozer and gold dredger and approaches to its perfection .

3. The turbidity of the water , nutrient concentrations and concentrations of heavy metals may increase downstream the dredger or downstream outlet points from reclamation areas and in turn affects flora and fauna .

4. The dredger spooned up mud .

5. The study of crisis management of dredger operation by using operational risk management .