標題: ASTM E 398-2003 用動態(tài)相對濕度測量測定薄片材料的水蒸氣透... [打印本頁] 作者: 兌水 時間: 2009-10-30 08:14 標題: ASTM E 398-2003 用動態(tài)相對濕度測量測定薄片材料的水蒸氣透... E398-03 Standard Test Method for Water Vapor Transmission Rate of Sheet Materials Using Dynamic Relative Humidity Measurement