ygs67 发表于 2017-12-16 12:47:13

ASTM D7178-16e1

ASTM D7178-16e1 Standard Practice for Determining the Number of Constrictions _m_ of Non- Woven Geotextiles as a Complementary Filtration Property

admin 发表于 2017-12-18 16:02:06

谢谢您的分享，金币已奖励!
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