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| 薄壁结构 | |||
| 薄板壁结构一个方向尺寸远远小于另外两个方向尺寸的构筑物,如墙、地坪等 | |||
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| 薄壁结构 | |||
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thin wall structure : 2 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Rail transport | 1 |
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