钻孔直径: 76-102mm
钻杆长度: 3660mm
钻杆直径: T38,T45mm
钻孔直径: 76-115mm
钻杆直径: T45mm
钻孔直径: 89-127mm
钻杆直径: T45,T51mm
钻孔直径: 65~100mm
钻杆长度: 3050-3660mm