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| 钢筋定位隔间水泥块; 钢筋分隔器; 钢筋定位卡 | |||
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bar spacer : 15 phrases in 7 subjects |
| Compressors | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 8 |
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