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| 刚性井壁 | |||
| 刚性墙对水平荷载不易变形的墙; 刚性墙 | |||
| 风洞刚性壁 | |||
| rigid wall: 11 phrases in 4 subjects |
| Air defense | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 7 |
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