水蒸汽渗透性 meaning in English

mv= moisture vapor permeability
water vapor permeability

Method for determining the permeability to water vapour of flexible sheet materials used for packaging
包装用柔性薄片材料的水蒸汽渗透性的测定方法
Methods of test for masonry units - part 15 : determination of water vapour permeability of autoclaved aerated concrete masonry units
圬工单元试验方法.第15部分:蒸压充气混凝土圬工单位水蒸汽渗透性的测定
Flexible sheets for waterproofing - bitumen , plastic and rubber sheets for roof waterproofing - determination of water vapour transmission properties
防水挠性薄板.屋面防水用沥青塑料和橡胶薄板.水蒸汽渗透性测定