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| 61. | soil chemistry |
| 土壤化学 |
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| 62. | strengthening of soil |
| 土壤加固 |
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| 63. | stratified soil |
| 层状土壤 |
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| 64. | soil biology |
| 土壤生物学 |
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| 65. | soil adsorption |
| 土壤吸附性 |
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| 66. | soil sampler |
| 土壤采样器 |
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| 67. | soil profile |
| 土壤剖面图 |
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| 68. | soil testing |
| 土壤测试 |
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| 69. | belt of soil moisture |
| 土壤水带 |
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| 70. | interstices of soil |
| 土壤裂缝 |
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