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| 地坑型; 立柱可移式龙门型刨床 | |||
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| 立柱可移式龙门型 | |||
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pit type : 33 phrases in 9 subjects |
| Automobiles | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 4 |
| Mechanics | 1 |
| Metallurgy | 10 |
| Steel production | 1 |
| Technology | 12 |