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| 51. | continuous bucket dredge |
| 多斗挖掘船 |
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| 52. | belled excavation |
| 钟形挖掘 |
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| 53. | like grim death |
| 拼命地|牢牢地 |
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| 54. | dredge stripping |
| 挖掘船剥离 |
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| 55. | complete set of hydraulic excavator |
| 水力挖掘机组 |
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| 56. | bench excavation |
| 台阶式挖掘 |
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| 57. | braced excavation |
| 支撑式挖掘 |
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| 58. | sea-going dredge |
| 海洋挖掘船 |
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| 59. | I apologized like crazy . |
| 拼命地道歉。 |
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| 60. | depth of vertically digging |
| 垂直挖掘深度 |
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