1.jet-grouting drilling rig. 2.crawler rig 3.hydraulic drilling ApplicationYG( ... rig.It can be applied in direction jet-grouting,pendulum jet-grouting,circulation jet-grouting work,and used for high pressure jet-grouting work in Quaternary Cover Area such an ... anti-handing of infiltration and seepage of civil building construction,high building basement of soft fundation,and hydraulic engineering,such ...