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| 滑轮车组 | |||
| 滑车 | |||
| 滑轮组; 滑车组 | |||
| 滑轮〔滑车〕组 | |||
| 手拉吊挂; 滑车 (组); 滑轮; 滑轮装置 | |||
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| 滑车组 | |||
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pulley block : 47 phrases in 5 subjects |
| Bridge construction | 1 |
| Electric machinery | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 2 |
| Technology | 40 |
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