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corrugated concrete
| slab
| corrugated concrete | |
| tech. | 波纹混凝土 |
| slab | |
| hydroel.st. | 板 |
| met. | 初轧板坯; 板坯; 扁坯; 扁锭 |
| soil. | 薄层砂岩 |
| space | 条 |
| tech. | 板层 |
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| 波纹混凝土 | |||
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corrugated concrete slab : 6 phrases in 1 subject |
| Technology | 6 |
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