|
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| 21. | dredge sleeve duck |
| 水龙带帆布 |
|
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| | |
| 22. | California-type dredge |
| 加利福尼亚型采金船 |
|
|
| | |
| 23. | chain bucket dredge |
| 链斗式控泥船 |
|
|
| | |
| 24. | pneumatic dredge pump |
| 气动挖泥泵 |
|
|
| | |
| 25. | hydrauliccutter suction dredge |
| 液压切割吸泥机 |
|
|
| | |
| 26. | dredge pipe line |
| 挖泥船排泥管道 |
|
|
| | |
| 27. | seagoing dredge [AGO] |
| 远洋挖泥船 |
|
|
| | |
| 28. | cutter suctic dredge |
| 绞吸式挖泥船 |
|
|
| | |
| 29. | elevator(-ladder) dredge |
| 链斗式挖泥船 |
|
|
| | |
| 30. | rubberized dredge pump |
| 胶衬泥泵 |
|
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| | |