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| equipment clear up | |||
| service cleaning | |||
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设备清 洗 : 42 phrases in 13 subjects |
| Agriculture | 2 |
| Animal husbandry | 3 |
| Automobiles | 6 |
| Compressors | 1 |
| Ecology | 1 |
| Electronics | 6 |
| Exhibitions | 1 |
| General | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Rail transport | 2 |
| Space | 1 |
| Technology | 15 |
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