vapour transmission的意思|示意

Water vapour transmission rate (WVTR) : Mass of water vapour transmitted through a unit area in a unit time under specified conditions of temperature and humidity.

译文：水蒸气透过率(WVTR)：在一定的温度、湿度条件下，单位时间内透过单位面积的水蒸气的质量。

Results showed that composite material had good biological defence property and water vapour transmission rate. Biological clothing had a reasonable structure.

结果表明：该复合面料具有优良的生物防护性和透湿性，防护服结构合理。

Water vapour transmission rate: An indication which determines the waterproof qualities of packaging paper.

透湿度：鉴定包装纸的防水性能的质量指标。