| |||
| 无庄脚自重固定钻井平台; 重力平台 | |||
| 重力式结构 | |||
|
gravity structure : 21 phrases in 7 subjects |
| Bridge construction | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Navigation | 4 |
| Oil / petroleum | 4 |
| Rail transport | 2 |
| Technology | 8 |
| |||
| 无庄脚自重固定钻井平台; 重力平台 | |||
| 重力式结构 | |||
|
gravity structure : 21 phrases in 7 subjects |
| Bridge construction | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Navigation | 4 |
| Oil / petroleum | 4 |
| Rail transport | 2 |
| Technology | 8 |