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| 顶翼缘 | |||
| 上翼缘 (钢梁的) | |||
| 上凸缘 | |||
| 上翼; 上弦; 上冀; 上部冀缘 | |||
| 顶部法兰; 上翼缘 | |||
| top flange: 10 phrases in 3 subjects |
| Bridge construction | 4 |
| Rail transport | 1 |
| Technology | 5 |
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