نطاق هندسي أوسع لمنصة الحفر الدورانية زومليون 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
...
Category:
ZOOMLION RIGZR220
