すいじょうきとうかりつ 水蒸気透過率 LinksSentence search for 水蒸気透過率Sentence search for すいじょうきとうかりつKanji details for 水, 蒸, 気, 透, 過 and 率Edit in JMdict Noun1. moisture vapor transmission rate; moisture vapour transmission rate; MVTR Discussions Log in to talk about this word.