希望尽快解答 1:土工膜介绍: 土工膜可分三大类:土工膜、加筋土工膜和复合土工膜。 土工膜密度不低于9.0kg/m3,极限延伸率不低于300%, 抗冻性不低于-60℃,稳定性效能不低于
越详细越好 1:土工膜介绍:土工膜可分三大类:土工膜、加筋土工膜和复合土工膜。土工膜密度不低于9.0kg/m3,1*-+3*-+9*-+6*-+9+*-2+-*9+*-6+-*1+-*6+
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