air permeability performance
- 网络气密性能；密闭性能
air permeability performanceair permeability performance
气密性能
求《建筑外窗气密、水密、... ... 压力差 pressure difference 气密性能 air permeability performance 标准状态 standard condition ...
密闭性能
... ... water-tightness performance 防水性能 air permeability performance 密闭性能 noise insulation 噪音绝缘 ...