透汽性 meaning in English

vapour permeability
vapor permeability

As a new type of external thermal insulation system , it integrates traditional external thermal insulation technique with light - weight , weatherproof and ventilative flex finish tile , no need for anchoring
该体系将传统的膨胀聚苯板薄抹灰技术与自重轻、耐候性强、防水透汽性好的柔性面砖相结合，无需锚固，安全美观。
The results showed that sf was grafted onto the surface of pu membranes ; pu membranes modified with sf have good flexibility as well as their hydrophilicity was improved , and certain water vapor permeability
结果表明：经过上述工艺处理后，丝素蛋白已接枝在聚氨酯膜的表面；丝素改性后，聚氨酯膜不仅表面亲水性提高，而且仍具有良好的柔韧性和一定的透汽性。