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| 通风墙 | |||
| 井壁在井筒围岩表面构筑的、具有一定厚度和强度的整体构筑物 | |||
| 竖炉炉墙; 竖炉炉墙 | |||
| 竖井墙壁; 炉墙; 孔壁; 井壁 | |||
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shaft wall : 12 phrases in 3 subjects |
| Architecture | 1 |
| Rail transport | 1 |
| Technology | 10 |
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