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| |||
| facing stone | |||
| armor rock; armour rock | |||
| blanket stone | |||
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护面石 : 79 phrases in 11 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Business | 1 |
| Desert science | 1 |
| Drawing | 2 |
| Earth sciences | 1 |
| Electronics | 1 |
| Engineering geology | 5 |
| Hydroelectric power stations | 12 |
| Technology | 53 |
| Water resources | 1 |
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