Broca de diamant Core

Nostres perforació de petroli PDC bits / oli 59 trepant poc, tots els que utilitzen per foradar el jaciment de gas. En comparació amb les miques de cos d'acer, l'organisme matriu és més adequat per rock dur. I la vida de miques és dues vegades que el cos d'acer.

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	81/2" HM642XG Made In China chaud vente loic Pdc mèches de perceuses pour forage de puits de pétrole	vente chaude /diamond pdc drill bit /pdc dispositifs bits /secteur forage mèches
	Dublu rând Pdc burghiu biţi	Dublu rând Pdc gaurit biţi,Website:, Matrix corpul Pdc burghiu biţi
	6"HM352XA PDC 鑽頭 PDC 石油鑽機鑽頭為石油勘探鑽石 Pdc 鑽頭	PDC 鑽頭/矩陣體 pdc 鑽頭/金剛石 pdc 鑽頭
	83/4" HS642XA API a ISO ocelové tělo PDC vrták pro vrtání ropný vrt	PDC DRILL BIT, OCELOVÉ TĚLO DRILL BIT, 6 BLADE VRTÁK, STŘEDNÍ MĚKKÁ VRTÁK, OLEJ DOBŘE VRTÁK,
	81/2" HS952XA різних типу і розміру PDC свердла біт для нафтової свердловини буріння	нафтової свердловини буріння біти, свердел PDC, PDC леза свердло, Diamond PDC свердел Hard Rock нафтової свердловини PDC свердло

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