Njengoba kukhonjisiwe esithombeni esingezansi esifanele, i-dome PDC kanye nokufakwa kwe-carbide kufakwe ku-percussion kancane efanayo. Ngemuva kokuhlolwa, ukufakwa kwe-carbide kukhathele.
Isi-8I-Dome PDC ne-Conical PDC Mining / Engineering Izicelo
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