 |
| |||
| communications satellite for experimental purposes; experimental communications satellite; experimental satellite | |||
|
eksperimentel comsat : 4 短语, 1 学科 |
| 电子产品 | 4 |
|
| |||
| communications satellite for experimental purposes; experimental communications satellite; experimental satellite | |||
|
eksperimentel comsat : 4 短语, 1 学科 |
| 电子产品 | 4 |