Te rerekētanga i waenga i te moka kōhao hākotahi me te moka kōwiri pūoko:
1, taputapu keri putorino concentric no te mea o tona taiepa moka waho mātotoru, te taua hanga aperture, pānga mana tuku kore he rite pai rite taputapu keri pokanoa, anake i roto i te diameter poka he nui, he pai te pānga, engari ko te utu hanga. teitei ake i te taputapu keri keri;
2, taputapu keri putorino keri kore anake diameter poka, me te hanganga ohie, utu hanga iti, ngāwari ki te whakamahi, na kua whakamahia whānuitia.
Te wa tuku: Hanuere-04-2022