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| unsupported distance | |||
| clearance of span (度); clear span (度); span clearance (度) | |||
| clear span | |||
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| clear span | |||
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| clear span | |||
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净跨 : 22 phrases in 8 subjects |
| Architecture | 1 |
| Bridge construction | 5 |
| Electronics | 2 |
| General | 1 |
| Hydroelectric power stations | 3 |
| Rail transport | 1 |
| Securities | 1 |
| Technology | 8 |
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