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不透气性 bùtòuqìxìng
desert. imperviousness
met. impermeability to gas; imporosity
oil gas tightness
plast. gas barrier property; tightness
space gas proofness
tech. airtightness; gas impermeability; gas imperviousness; gas-tightness
wind. air impermeability
不透气〔水〕性
gen. tightness
不 透气性: 12 phrases in 4 subjects
Oil / petroleum1
Plastics1
Technology9
Textile industry1