Phạm vi kỹ thuật rộng hơn Giàn khoan xoay Zoomlion ZR220
Strong rock penetration ability
High torque (220-240kN · m)+180kN compression, strong adaptability to hard rock and gravel layersGood rigidity of mast, pressure stroke of 5.3m, stable construction of deep hole and long drill pipe
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Category:
ZOOMLION RIGZR220
