1. seamless steel tube magnetic particle testing (MT) lossis magnetic flux to testing (EMI) Lub hauv paus ntsiab lus ntawm kev kuaj xyuas yog ua raws li cov khoom siv ferromagnetic yog magnetized nyob rau hauv lub magnetic teb, qhov discontinuity ntawm cov ntaub ntawv los yog cov khoom (tsis xws luag), magnetic flux to, Magnet hmoov adsorption (...
Nyeem ntxiv