| |||
| 连续作业 | |||
|
continuous operating : 22 phrases in 8 subjects |
| Air defense | 1 |
| Electric machinery | 3 |
| Electricity | 2 |
| Electronics | 6 |
| Hydroelectric power stations | 2 |
| Materials science | 1 |
| Rail transport | 3 |
| Sealing | 4 |
| |||
| 连续作业 | |||
|
continuous operating : 22 phrases in 8 subjects |
| Air defense | 1 |
| Electric machinery | 3 |
| Electricity | 2 |
| Electronics | 6 |
| Hydroelectric power stations | 2 |
| Materials science | 1 |
| Rail transport | 3 |
| Sealing | 4 |