Hammers ntụgharị ntụgharị & Bits

Nkọwa dị mkpirikpi:

Reverse Circulation RC hammers na-egwupụta ihe na hammer na-enye arụmọrụ pụtara ìhè yana ntụkwasị obi na ịdị mfe pụtara ìhè.Hammer mgbasagharị anyị dị mma maka nyocha ọ bụla na usoro njikwa ọkwa iji nweta ihe nlele ziri ezi na-enweghị mmetọ.Hama mkpọpu RC nwere ike n'ọtụtụ oge na-eme nchịkọta nlele na-aga n'ihu na obere oge dị mkpa site na iji eriri ma ọ bụ eriri waya.


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