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corrugated steel
| culvert
| corrugated steel | |
| met. | 瓦垄钢板; 波纹钢板 |
| culvert | |
| hydroel.st. | 涵洞; 电缆管道 |
| met. | 阴沟; 暗渠 |
| |||
| 瓦垄钢板; 波纹钢板 | |||
| 竹节钢筋; 波形钢; 波纹钢 (板) | |||
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corrugated steel culvert : 45 phrases in 7 subjects |
| Architecture | 1 |
| Bridge construction | 3 |
| Chemistry | 1 |
| Construction | 1 |
| Metallurgy | 17 |
| Shipbuilding | 2 |
| Technology | 20 |
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