Ua ntej quoting, Kuv yuav tsum tau paub meej txog qee cov ntsiab lus nrog koj.
1.Koj puas tuaj yeem qhia rau kuv paub tias koj siv cov khoom no rau dab tsi?
2.Dab tsi yog qhov yuav tsum tau ua rau cov kev taw qhia ntawm magnetization?Feem ntau, peb siv axial magnetization.
3.Dab tsi yog qhov yuav tsum tau ua rau plating?Nickel plating, zinc plating, epoxy resin plating.
4. Dab tsi yog koj qhov yuav tsum tau ua rau kev ua siab ntev?