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| 11. | opening driving |
| 开拓掘进 |
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| 12. | Open multiple physical symbol of the open field outside Italy said Han Xin polyhedrosis development momentum, expanding the field to open up. |
| 开放的形体象征开放的多元领域，意示瀚鑫向外多角发展的态势，事业领域开拓扩展。 |
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| 13. | harmonic continuatio |
| 调和开拓 |
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| 14. | unproductive development |
| 非生产性开拓 |
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| 15. | combined development |
| 联合开拓 |
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| 16. | opening up by inclined shafts |
| 斜井开拓 |
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| 17. | orebed development |
| 矿床开拓 |
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| 18. | opening up individually |
| 单独开拓 |
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| 19. | open pit development |
| 露天矿开拓 |
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| 20. | right-of-way operation |
| 管带开拓 |
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