www.pdcmaoganzuantou.com
金刚石锚杆钻头价格|复合片锚杆钻头型号|PDC锚杆钻头规格-安阳市迪奥德矿山设备有限公司
锚杆钻头规格型号齐全,25,27,28,29,30,32,36,42,加强高强超强型,可有效钻进硬岩地层,迪奥德-专业锚杆钻头厂家。
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