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| 光钢筋; 无纹钢筋 | |||
| 光面钢筋; 无节钢筋 | |||
| 光面钢筋 (bar); 无节钢筋 (bar); 无筋钢筋 (bar) | |||
| plain reinforcement: 5 phrases in 2 subjects |
| Bridge construction | 4 |
| Technology | 1 |
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