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| 套筒式模具 | |||
| 滑升模板; 套筒式模板; 穿行式钢拱模板; 伸缩式模板; 套筒式模具多用于隧道衬砌 | |||
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telescopic form : 5 phrases in 2 subjects |
| Agriculture | 1 |
| Technology | 4 |
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