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| 51. | drainage plough |
| 开排水沟犁 |
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| 52. | drainage grommet |
| 漏水垫圈 |
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| 53. | drainage mining |
| 坑道采矿法 |
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| 54. | methane drainage |
| 排放瓦斯 |
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| 55. | drainage modulus |
| 泄油模数 |
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| 56. | drainage piping |
| 污水疏水管系 |
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| 57. | Drainage Pavement |
| 排水性铺面 |
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| 58. | drainage reserve |
| 渠务保留地 |
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| 59. | drainage period |
| 排水期 |
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| 60. | through drainage |
| 贯穿水系 |
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