12 1/4" HS652XA korp ta '' l-azzar Pdc djamant Bits daqsijiet/API taż-żejt ukoll Pdc Drill Bit
korp ta '' l-azzar,Website:, pdc taqqab bit, djamant drill bit, xafra drill bit 5, ringiela waħda drill bit, ġebel ramli tħaffir
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Peb PDC roj av drilling tom / roj & roj laum tom, cov uas siv tau rau drilling oilfield. Piv nrog rau cov khoom steel lub cev, kev mob hauv matrix ... |
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roj av laum khoom roj rig laum ntsis pob zeb muaj ntsis zoo pob zeb diamond khoom directional drilling drilling |
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