 |
| |||
| American Institute of Electrical Engineers (IEEE 的前身); American Institute of Electrical Engineers; American Society of Electrical Engineers | |||
| 美国电机工程师协会: 4 phrases in 2 subjects |
| General | 2 |
| Hydroelectric power stations | 2 |
|
| |||
| American Institute of Electrical Engineers (IEEE 的前身); American Institute of Electrical Engineers; American Society of Electrical Engineers | |||
| 美国电机工程师协会: 4 phrases in 2 subjects |
| General | 2 |
| Hydroelectric power stations | 2 |