Dijamant jezgra burgiju

Nam PDC petroleum bušenje ugrizao / nafta i gas ide, malo koje sve koristi za bušenje naftno polje. U poređenju sa samo na čelično tijelo, tijelo matrice je pogodniji za hard rok. I životnog bitova je dva puta od čelično tijelo.

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	6 "HM352XA PDC punte trapano PDC olio Rig per olio esplorazione Pdc punta diamantata	PDC punte / matrice corpo pdc bit/pdc trapano di diamante
	套管	專業生產廠，HAINAISEN 是領先中國套管管的廠家之一。歡迎光臨批發套管從我們，我們總是有廉價的產品，為您提供。
	91/2" HM952XG olja och Gas borrning utrustning Rock Bit	Petroleum borrmaskin Website:
	121/4" HM662XA pi bon pri te fè nan peyi Lachin pouvwa zouti pyès machin Pdc pou geri lwil Forage	lwil geri forage,Website:, pouvwa zouti, moso sèvi ak machin pdc, forage geri lwil oliv, pyès machin tungstène carbure pdc
	81/2" HS952XA विभिन्न प्रकार और तेल अच्छी तरह से ड्रिलिंग के लिए ड्रिल बिट के आकार PDC के	तेल अच्छी तरह से बिट्स,Website:, PDC ड्रिल बिट्स, PDC ब्लेड ड्रिल बिट, हीरा PDC ड्रिल बिट्स, हार्ड रॉक तेल अच्छी तरह से PDC ड्रिल बिट ड्रिलिंग

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