方亮1819 发表于 2021-9-22 09:28:12

ASTM F1249-202_Standard Test Method for Water Vapor Transmission Rate Through...

ASTM F1249-20_Standard Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor

volanszhangb 发表于 2021-9-22 09:43:06

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無上正覺 发表于 2021-9-22 11:32:34

{:1_89:}

2017yuan 发表于 2021-9-22 18:35:07

感谢分享！

锋觅 发表于 2021-9-23 17:03:13

:)

flyerchang 发表于 2022-11-11 22:16:35

谢谢分享
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