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| 自流 | |||
| 天然水流; 天然流量 | |||
| 自喷【流】 | |||
| 自喷; 自然流动 | |||
| 自然流量; 未调节水流; 未调节的流量; 天然径流 | |||
| natural flow: 25 phrases in 11 subjects |
| Agriculture | 4 |
| Aviation | 3 |
| Bridge construction | 1 |
| China | 1 |
| Construction | 1 |
| Desert science | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Space | 1 |
| Technology | 8 |
| Wind Energy | 1 |
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