地壳探险——揭开地球表面的神秘面纱 如果将地球视为一个苹果，那人类生活的范围是多少呢？让我们带着疑问一起来探索这颗蓝色星球表面的奥秘吧！
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
| THUMBNAILS | |||
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JPEG | Origin Image | Download |
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