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| 41. | timbering of face |
| 工祖支架 |
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| 42. | EL-ZOEBY, Mohamed |
| 穆罕默德·祖比 |
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| 43. | long face system |
| 长工祖开采法 |
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| 44. | production heading |
| 生产工祖 |
|
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| 45. | Hsueh Kuang-tsu |
| 薛光祖 |
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| 46. | University of Zululand |
| 祖卢大学 |
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| 47. | Mr. Minister Counselor: Yes. |
| 祖先生：可以。 |
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| 48. | output per stope |
| 工祖产量 |
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| 49. | homoeologous chromosome |
| 同祖染色体 |
|
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| 50. | stripping front |
| 剥离工祖 |
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| | |