12 1 yá 4 "HS652XA komongu asero diamante Pdc Bits tamaños yá API ya pozo petróleo Pdc ar pedacito taladro
komongu asero, pdc broca, broca ar diamante, 5 pedacito ar taladro ar hoja, broca hilera, perforación ar Nunu̲ ar arenisca
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제조 업체 pdc 드릴 비트/다이아몬드 pdc 드릴 비트/탄광 드릴링 도구/오일 드릴링 비트 |
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Gyda ffatri proffesiynol a chynhyrchiol, HAINAISEN yn un o'r gweithgynhyrchwyr llafnau diemwnt compact Tsieina blaenllaw. Croeso i Ddiemwnt compact... |
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Petrol drill bit petrol teçhizat drill bit rock bit yüksek kalite elmas bit yönlü sondaj sondaj |
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