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| 料罐卷扬机; 【铁】 料罐卷扬机 | |||
| 吊桶提升机; 单斗卷扬机 | |||
| bucket hoist: 13 phrases in 3 subjects |
| Hydroelectric power stations | 2 |
| Metallurgy | 3 |
| Technology | 8 |
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