- 曳: drag; haul; tug; tow
- 航: boat; ship
- 挖泥船: dredge; hydraulic dredge
- 自航挖泥船: self-proelled dredge; self-propelled (or self- propelling) dredger; self-propelled dredge; self-propelling dredger
- 非自航挖泥船: nonself-propelled dredge
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