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| 管式脚手架 | |||
| 管子脚手架 | |||
| 钢管脚手架; 金属管脚手架 | |||
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tubular scaffold : 9 phrases in 4 subjects |
| Architecture | 1 |
| Bridge construction | 2 |
| Hydroelectric power stations | 1 |
| Technology | 5 |
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