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预应力混凝土连续梁
| 桥
| 预应力混凝土连续梁 | |
| tech. | prestressed concrete continuous beam |
| 桥 | |
| acrob. | back bend |
| environ. | bridge |
| geophys. | bridge |
| gymn. | crab; pons |
| hydroel.st. | bridge |
| outd. | truck |
| tech. | bridge; draw bridge |
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| prestressed concrete continuous beam | |||
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预应力混凝土连续梁 : 3 phrases in 2 subjects |
| Bridge construction | 1 |
| Technology | 2 |
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