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低区供水 | |||
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低区配水; 低区供水 |
low-service : 17 phrases in 12 subjects |
Automobiles | 1 |
Aviation | 1 |
Badminton | 1 |
Electronics | 3 |
General | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 2 |
Navigation | 1 |
Oil / petroleum | 1 |
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Technology | 3 |
United Nations | 1 |