 |
| |||
| 伴有水平位移的垂直运动 | |||
|
vertical movement associated with horizontal displacement : 2 do fraz, 1 tematyki |
| Technika i technologia | 2 |
|
| |||
| 伴有水平位移的垂直运动 | |||
|
vertical movement associated with horizontal displacement : 2 do fraz, 1 tematyki |
| Technika i technologia | 2 |