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| 混凝土中的钢筋比 | |||
| 钢筋配筋比; 钢筋混凝土含钢率; 钢筋百分比 (率); 混凝土配筋比 | |||
| steel ratio of concrete: 2 phrases in 2 subjects |
| Bridge construction | 1 |
| Technology | 1 |
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