PDC drill 92mm hzp-4
Promulgator
：liyu Time：2018-05-29
PDC drill 92mm hzp-4
PDC bit 116mm hzp-5
PDC bit 118mm hzp-5
PDC bit 152.4mm hzp-5
PDC bit 152.4mm hzp-6
PDC bit 152.4mm hzp-7
PDC bit 215.9mm hzp-4
PDC bit 215.9mm hzp-5
PDC bit 215.9mm hzp-6
PDC bit 220mm hzp-4
PDC bit 228.6mm hzp-5
PDC bit 241.3mm hzp-5
PDC bit 311.2mm hzp-5
PDC bit 315mm hzp-5
PDC bit 342mm hzp-5
PDC bit 393.7mm hzp-5
PDC bit 444.5mm hzp-5
