| |||
| 测程弹簧; 范围弹簧 | |||
|
range spring : 24 phrases in 9 subjects |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Desert science | 2 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Oceanography & oceanology | 2 |
| Port facilities | 1 |
| Surveying | 1 |
| Technology | 14 |
| |||
| 测程弹簧; 范围弹簧 | |||
|
range spring : 24 phrases in 9 subjects |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Desert science | 2 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Oceanography & oceanology | 2 |
| Port facilities | 1 |
| Surveying | 1 |
| Technology | 14 |