 |
| |||
| maintenance check | |||
| maintenance inspection | |||
| maintenance test | |||
| 维护 检查: 26 phrases in 12 subjects |
| Automobiles | 7 |
| Aviation | 4 |
| Commerce | 2 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Nautical | 1 |
| Nursing | 1 |
| Space | 3 |
| Technology | 2 |