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| 吊绳 | |||
| 瀑布线 | |||
| 滚落线; 直接下滑线 | |||
| 起重索; 跌水线; 吊索 | |||
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fall line : 22 phrases in 10 subjects |
| Aviation | 1 |
| Commerce | 1 |
| Economy | 6 |
| Engineering geology | 1 |
| Football | 1 |
| General | 4 |
| Heavy equipment vehicles | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 5 |
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