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| 51. | adsorbent ground |
| 吸附性地表 |
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| 52. | ground photograph |
| 地面摄影相片 |
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| 53. | ground pollution |
| 大地污染 |
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| 54. | ground holds |
| 跪撑 |
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| 55. | ground radiometer |
| 地面辐射仪 |
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| 56. | ground visibility |
| 地上能见距离 |
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| 57. | ground settlement |
| 土地下陷 |
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| 58. | welding ground |
| 电熔接地 |
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| 59. | ground temperature |
| 地面气温 |
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| 60. | ground fire |
| 地面火力 |
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