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| 雪线 | |||
| 永久积雪线; 永久积雪界限; 粒雪线 | |||
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firn limit : 2 phrases in 1 subject |
| Technology | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
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