 |
| |||
| coefficient of efficiency; efficiency; output input ratio; output-input ratio; performance | |||
|
к.к.д : 21 短语, 2 学科 |
| 军队 | 2 |
| 油和气 | 19 |
|
| |||
| coefficient of efficiency; efficiency; output input ratio; output-input ratio; performance | |||
|
к.к.д : 21 短语, 2 学科 |
| 军队 | 2 |
| 油和气 | 19 |