郑州某工程CFG桩长螺旋钻孔-泵压砼成桩工艺施工对周边环境的影响
정주모공정CFG장장라선찬공-빙압동성장공예시공대주변배경적영향
Influences of the long auger drill hole-pump concrete technique on the peripheral environment of CFG piles of a construction project in Zhengzhou