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51. | hydraulic mining |
| 水力挖掘 |
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52. | The ravenous lion tore the quarry. |
| 饥饿的狮子撕碎了猎物。 |
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53. | quarry out a block of marble |
| 挖出一块大理石. |
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54. | illegal excavation |
| 非法挖掘 |
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55. | The dogs soon flushed the quarry. |
| 不久,狗惊起猎物。 |
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56. | An archaeological excavation. |
| 考古挖掘 |
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57. | split-digger blade |
| 开口式挖掘铲,组合式挖掘铲 |
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58. | submerged digging |
| 水下挖掘 |
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59. | excavating machinery |
| 挖掘机械 |
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60. | evacuation works |
| 挖掘工程 |
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