冲切成槽薄壁混凝土防渗墙施工技术是在原冲击成槽建造防渗墙的基础上，对冲击钻头和施工工艺加以改进，用扁钻头代替十字钻头，用正反两种循环系统进行泥浆循环的一种新防渗墙施工方法。
The present technique is a new thin cutoff wall construction method by modifying the original method as to use flat drill bit instead of cross bit and adopt positive and negative circulating system.
自攻干墙螺丝，十字喇叭头，细纹，钻头，磷化黑色。
Self drywall screws, Phillips bugle head, Fine Thread, Drill point, black phosphated.
自攻干墙螺丝，平头十字槽，钻头，镀锌。
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