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Kotahi waahanga-roa ngawari mita hiko hiko-mahi
Ko te mita pūngao whakakaha kotahi-waahanga e whakamahi ana i te kaainga-kore-retardant, he iti te rahi me te ngawari ki te tāuta i ， he hononga whakawhitiwhiti korero RS485 ， he mahi kaha me te whakaahei pūngao mahi mana te mana, te take mana me era atu.
