| |||
| 台阶掘进法 | |||
| 巷道梯段开挖法; 巷道梯段掘进法; 短台阶法; 导坑巷道梯段开挖法; 导坑巷道梯段掘进法; 导洞梯段开挖法; 导洞梯段掘进法; 正台阶采矿法 | |||
|
heading and bench method : 5 phrases in 4 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Road construction | 1 |
| Technology | 2 |
| |||
| 台阶掘进法 | |||
| 巷道梯段开挖法; 巷道梯段掘进法; 短台阶法; 导坑巷道梯段开挖法; 导坑巷道梯段掘进法; 导洞梯段开挖法; 导洞梯段掘进法; 正台阶采矿法 | |||
|
heading and bench method : 5 phrases in 4 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Road construction | 1 |
| Technology | 2 |