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21. | ash specific gravity curve |
| 灰分比重曲线 |
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22. | nuclear specific gravity indicator |
| 放射性比重指示器 |
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23. | specific gravity in green |
| 未干燥材比重 |
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24. | specific gravity of urine |
| 尿比重 |
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25. | specific gravity of crude |
| 原油比重 |
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26. | specific gravity of soil |
| 土壤比重 |
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27. | specific gravity of gem |
| 宝石比重 |
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28. | specific gravity of blood |
| 血液比重 |
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29. | specific gravity of slip |
| 泥浆比重 |
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30. | Maximum Theoretical Specific Gravity |
| 最大理论比重 |
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