PDC Carbide Substrate
Likonopo tse ikhethileng tsa PDC Drilling Bit Substrate tse ikhethileng tse nang le khanyetso e kholo
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Tlhaloso
LIHLAHISO TSE HLAHANG
Amohela Potso ea Hao
Aterese ea hau ea lengolo-tsoibila e ke ke ea phatlalatsoa. Libaka tse hlokahalang li tšoailoe ka *