te momo HB hikoi motika painga: teitei taumira (General taahiraa taipana Koki o 1. 8 nekehanga atu), taipana nui, whakaritea ki te momo multiphase HB nekeneke nekeneke, peia mana nui ngongo he nui, engari he iti te utu.
huakore: nui motuhake iti wiri tere, 60 RPM āpitihanga o te haruru nui, ngāwari ki te whakaputa resonance, tere tiketike whakaritea ki multiphase momo HB, hawhe takahanga ki te ripple taipana nui, ka te tukutahi wāhanga o te taipana Koki whakaritea ki multiphase nekeneke, hikoi nekeneke pōkai impedance. Ina he iti te taipana tere.
Ko te roopu HOPRIO he kaihanga ngaio o te kaiwhakahaere me nga motuka, i whakapumautia i te 2000. Te tari matua o te roopu i Changzhou City, Jiangsu Province.