求翻译：对于岩溶地下水发育路段，为防止钻孔过程中土体坍塌及大面积降低地下水位造成周边构筑物的沉降，拟设置旋喷桩支护止水帷幕是什么意思？

Karst groundwater development sections, in order to prevent the drilling process of Turkey the body collapse and a large area of ​​lower groundwater levels caused by the subsidence of the surrounding structures, the proposed establishment of the jet grouting pile retaining waterproof curtain

For karst groundwater development sections, in order to prevent hole collapse in Turkey and a large lower the groundwater levels resulting from the settlement structure around, swing set boom support piles for the water curtain

Regarding the karst ground water growth road section, for prevented in the drill hole process soil body caving in and the big area ground water lowering creates the peripheral construction the subsidence, plans to establish turns on lathe spurts the pile supports and protections to stop the water cu

Development of karst groundwater in sections, large area to prevent borehole collapse of the soil and reducing water table caused settlement of the surrounding structures, proposed establishment of Rotary Jet Grouting pile retaining water-stop curtain

正在翻译，请等待...