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| 31. | a dredge; a dredger |
| 疏浚机 |
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| 32. | self-propelled dredge |
| 自动推进式挖泥船 |
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| 33. | bucket ladder dredge |
| 多斗式挖泥船 |
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| 34. | dredge a channel [harbor |
| #疏浚河床 [港口] |
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| 35. | dredge a channel |
| 疏浚航道 |
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| 36. | Hammer dredge is a technical improvement of the existing dredge sampler. |
| 摘要重锤式拖网取样器是对现行常规拖网的技术改进。 |
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| 37. | walking scoop dredge |
| 步行式铲斗挖泥机 |
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| 38. | dredge a channel [ harbour ] |
| 疏浚河道[港口] |
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| 39. | submersible dredge pump |
| 潜水泥泵 |
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| 40. | double wall dredge pump |
| 双壳泥泵 |
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