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SJL-120

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Product Introduction

SJL-120 crawler drilling rig is suitable for the construction of large-diameter micro disturbance rotary jet grouting piles. It uses unique porous drill rods and drills to achieve forced mud discharge in the hole and underground pressure detection. By adjusting the amount of mud discharge forcibly, the underground pressure is controlled, greatly reducing the impact of the underground enviroN·ment and further ensuring the diameter of underground construction piles.

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