Safety Training
| Observation Program
| safety training abbr. | |
| proj.manag. | 安全培训 |
| observation program abbr. | |
| market. | 观察纲要 |
| |||
| 安全培训 | |||
|
Safety Training : 8 phrases in 6 subjects |
| China | 1 |
| Economics | 2 |
| Engineering geology | 2 |
| Environment | 1 |
| Nautical | 1 |
| Technology | 1 |