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| couche de matériel constituant le sol (layer of the material composing the soil); couche de substrate (layer of the material composing the soil) | |||
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substrate layer : 1 短语, 1 学科 |
| 电子产品 | 1 |
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| couche de matériel constituant le sol (layer of the material composing the soil); couche de substrate (layer of the material composing the soil) | |||
|
substrate layer : 1 短语, 1 学科 |
| 电子产品 | 1 |