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cleaning gas | |||
purgative gas |
清 洗 气 : 45 phrases in 13 subjects |
Architecture | 1 |
Automobiles | 4 |
Compressors | 1 |
Drilling | 1 |
Ecology | 1 |
Electronics | 1 |
General | 1 |
Household appliances | 1 |
Metallurgy | 12 |
Refrigeration | 2 |
Steel production | 1 |
Technology | 18 |
Water supply | 1 |