【摘要】 在选定的试验区内同时分两序和三序进行施工,以确定帷幕灌浆两序施工的合理性,并与三序施工进行工效及成果对比。更多还原

【Abstract】 To determine the reasonableness of the curtain grouting of two sequerce, in the selected area changing three sequence into two sequence, at the same during.更多还原