常見例句雙語例句A bag designed to restrict the transmission of water vapor and used to pack finished PCB.設(shè)計用於限制水蒸氣遷移的包裝成品PCB的袋子。The waterproof breathable fabrics should have a high capacity for water vapor transmission nd water resistance.防水性能和透溼性能達到和諧統(tǒng)一是防水透溼織物需要解決的關(guān)鍵問題。This paper introduces a new apparatus and method that suits to measuring the water vapor transmission rate (WVTR) of wound covering materials.介紹了一種新型的測試脩複材料水蒸汽透過性（WVTR）的裝置和方法。 返回 water vapor transmission