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I-Hydraulic double acting Type Shock sub
I-Shock absorber isetshenziselwa ukunciphisa ukudlidliza okubangelwa ukubhoboza okunzima nokugcina i-drill bit iqinile phansi, ukuze kusize ekwehliseni ukukhathala kokuxhumeka kwentambo yokubhoboza nokwelula ukuphila kwentambo yokubhoboza.






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