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| 实心墩; 实体桥墩; 实心桥墩; 重力式桥墩 | |||
| 实体桥墩; 实体突堤; 实体式码头; 实体码头 | |||
| solid pier: 8 phrases in 2 subjects |
| Bridge construction | 5 |
| Technology | 3 |
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