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| 埋深因数; 深度因子 | |||
| 深度因数; 水深系数; 埋深因數 | |||
| 埋深因素; 深度因素; 深度系数 | |||
| depth factor: 5 phrases in 4 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 2 |
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