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不渗透性 bùshèntòuxìng
gen. pressuretightness
archit. pressure tightness
met. impermeability
oil impenetrability
plast. imperviousness
refrig. tightness
渗透性
tech. impenetrability
不渗透性: 21 phrases in 5 subjects
Chemistry1
Drilling1
Metallurgy4
Plastics2
Technology13