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| 51. | excavating plough |
| 挖掘犁 |
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| 52. | An archaeological excavation. |
| 考古挖掘 |
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| 53. | hydraulic mining |
| 水力挖掘 |
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| 54. | excavating equipment |
| 挖掘设备 |
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| 55. | submerged digging |
| 水下挖掘 |
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| 56. | excavating area |
| 挖掘区 |
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| 57. | illegal excavation |
| 非法挖掘 |
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| 58. | excavator factor |
| 挖掘系数 |
|
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| 59. | evacuation works |
| 挖掘工程 |
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| 60. | excavation deformation |
| 挖掘错动 |
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