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| 41. | field water channel |
| 田间渠道 |
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| 42. | channel supervisor |
| 渠道主管 |
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| 43. | canal fish culture |
| 渠道养鱼 |
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| 44. | canal landslide |
| 渠道滑塌 |
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| 45. | flood protection of cana |
| 渠道防洪 |
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| 46. | outflow channel |
| 放水渠道 |
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| 47. | irrigation inverted siphon |
| 地下渠道 |
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| 48. | weeds coptrol in canal |
| 渠道除草 |
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| 49. | canal seepage |
| 渠道渗漏 |
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| 50. | seepage control of canal |
| 渠道防渗 |
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