单项选择题
A.85mB.150mC.131mD.102m
A.40%B.20%C.30%D.10%
A.自凝式灰浆防渗墙B.粘土灰浆防渗墙C.固化灰浆防渗墙D.塑性混凝土防渗墙
A.60~130cmB.120~150cmC.60~120cmD.100~150cm
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