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| 窗头板; 滑轮安装端 (吊窗); 提拉窗上口槽 | |||
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pulley head : 18 phrases in 6 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Shipbuilding | 1 |
| Technology | 12 |
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