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放气; 排气; 放气阀; 安全阀 | |||
排放空气 | |||
排风 | |||
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放〔排〕气的 |
air release : 30 phrases in 13 subjects |
Architecture | 2 |
Automobiles | 1 |
Aviation | 3 |
Compressors | 1 |
Electronics | 3 |
Hydroelectric power stations | 2 |
Metallurgy | 4 |
Oil / petroleum | 2 |
Plastics | 1 |
Shipbuilding | 2 |
Space | 1 |
Technology | 7 |
Wind Energy | 1 |