关于钻孔压浆桩，说法错误的是( )。A.振动小，噪声低 B.不用泥浆护壁 C.桩身为无砂混凝土 D.施工速度慢，工期长

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问题关于钻孔压浆桩，说法错误的是( )。

选项 A.振动小，噪声低 B.不用泥浆护壁 C.桩身为无砂混凝土 D.施工速度慢，工期长

答案 D

解析

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