Ngā Pūrongo
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PDC, PCD rānei te mata keri, ā, he aha te rerekētanga?
PŪRERE PDC, PŪRERE PCD RĀNEI? HE AHA TE REREKĒTANGA? Ko te tikanga o te pūrē PDC he pūrē matua Polycrystalline Diamond Cutter. Ko ngā puna tuatahi he puna wai, he poka pāpaku i keria ā-ringa i ngā rohe e tata ana te papa wai ki te...Pānuihia atu -
He aha ngā mata tricone me pēhea te mahi mō te keri poka?
Ko ngā mata tricone he momo Tungsten Carbide Insert (TCI) me te Mill Tooth (Steel Tooth). He maha ngā whakamahinga, ā, ka taea te tapahi i roto i ngā momo hanganga maha. Ka whakamahia te mata wiri tricone niho mira mō ngā hanganga ngohengohe. Ka whakamahia ngā mata wiri tricone hurihuri TCI mō ngā hanganga waenga me ngā hanganga mārō...Pānuihia atu -
He aha i tino whakamahia ai ngā mata kōne e toru?
He whānuitia te whakamahinga o ngā keri Tricone i roto i te umanga keri puna ina hiahiatia kia whiti i ngā hanganga toka ngawari ake, pakari ake. Nā te pānga, te kuru me te kutikuti o te toka i te wā e huri ana te koeko hurihuri, he iti te pa o te koeko me te kōhao o raro, ko te...Pānuihia atu -
Nō nā tata nei te hui a te Komiti Ohorere o te WHO, ā, i kīia ko te toronga o te mate urutā coronavirus o te tau 2019 te tūnga o te "PHEIC" o te ao whānui...
Ko te Komiti Ohotata he hunga tohunga o te ao, ā, ko rātou te kawenga mō te tuku tohutohu hangarau ki te Kaiwhakahaere Matua o te WHO mēnā ka pā mai he ohotata hauora tūmatanui (PHEIC) e pāngia ana e te ao: · Mēnā he "ohotata tūmatanui" te aituā...Pānuihia atu -
He aha te kaupapa mahi a te mata wiri tricone?
Ka whakawhirinaki ngā mata o te tricone ki te pānga o te koeko ki te hanganga, ki te kuru me te kutikuti reti hei kuru i te toka.Pānuihia atu