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air penetration | |||
air permeation | |||
air leak; air leakage; pervious to air | |||
air infiltration |
空气渗 透 : 20 phrases in 7 subjects |
Bridge construction | 1 |
Engineering geology | 1 |
Mining | 1 |
Oil / petroleum | 2 |
Refrigeration | 1 |
Technology | 12 |
Wind Energy | 2 |