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Te keri wai o Bentoni
GXY-2 Bentoni rig keri wai te nuinga e whakamahia ana mo te keri matua, te rangahau i te waahi kaupapa, te whakamaarama wai, te puna wai me te hanga riu keri moroiti.He maha nga waahanga tere me te awhe tere whaitake.He kaha te kaha o te miihini keri, he iti te rahi, he maamaa te taumaha me te kaha o te mahi.Te hōhonutanga keri raraunga Hangarau: 300~600m te diameter o te putorino drill: ф42 mm;ф50mm Koki poka keri: 360° te rahi o te miihini keri...
