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| 51. | An archaeological excavation. |
| 考古挖掘 |
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| 52. | To engage in digging, hollowing out, or removing. |
| 挖掘忙于挖掘、开凿或运走 |
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| 53. | dredge a cake with icing sugar |
| 把糖霜撒在蛋糕上 |
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| 54. | submerged digging |
| 水下挖掘 |
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| 55. | rubber sleeves for dredge discharge pipes |
| 挖泥船排放管道橡胶套管 |
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| 56. | excavating machinery |
| 挖掘机械 |
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| 57. | dredge icing sugar over a cake |
| 在蛋糕上撒糖霜. |
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| 58. | hydraulic mining |
| 水力挖掘 |
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| 59. | split-digger blade |
| 开口式挖掘铲，组合式挖掘铲 |
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| 60. | illegal excavation |
| 非法挖掘 |
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