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通气带; 飽氣帶 | |||
包气带; 含气层; 通气区 | |||
饱气带 | |||
通气层; 掺气层; 掺气区 |
aeration zone : 28 phrases in 9 subjects |
Architecture | 1 |
Desert science | 3 |
Ecology | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Forestry | 1 |
Oil / petroleum | 1 |
Soil science | 1 |
Technology | 18 |