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| 钙积层硬磐; 钙质结砾岩 | |||
| 钙结层; 钙结砾岩; 钙结岩 | |||
| 灰质结砾岩; 钙质结砾岩; 钙质角砾岩 | |||
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calcrete : 10 phrases in 1 subject |
| Desert science | 10 |
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