Electronic Computerized Ncaj Buttonhole Tshuab 1790Ayog computerized ncajkhawm holer tshuab.Nws yog nrog tsis siv neeg trimming, nrog LCD zaub, kov vaj huam sib luag ua haujlwm.Nrog rau kev hloov kho ntawm nro solenoid, nws muaj peev xwm ua tau raws li qhov xav tau ntawm qhov sib txawv nro ntawm qhov sib npaug thiab bartack ib feem ntawm buttonhole.Qhov siab tshaj plawskhawm qhovntev yuav yog 220mm.