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波纹钢管
| 涵洞
| 波纹钢管 | |
| met. | corrugated steel pipe |
| 涵洞 | |
| gen. | gout; ponceau |
| auto. | culvert |
| hydroel.st. | culvert; conduit; draw-off culvert |
| met. | pipe culvert |
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| corrugated steel pipe | |||
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波纹钢管 : 5 phrases in 1 subject |
| Technology | 5 |
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