| |||
| 竖井反掘法 | |||
|
raising method : 10 phrases in 5 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Fishery fishing industry | 1 |
| Technology | 5 |
| |||
| 竖井反掘法 | |||
|
raising method : 10 phrases in 5 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Fishery fishing industry | 1 |
| Technology | 5 |