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| diagram of energy flow | |||
| energy flow chart; energy flow diagram | |||
| 能流图: 12 phrases in 7 subjects |
| Aviation | 2 |
| Business | 2 |
| Electronics | 1 |
| Information technology | 1 |
| Oil processing plants | 2 |
| Space | 3 |
| Technology | 1 |
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