GB_T 17626.29-2006_IEC 61000-4-29:2000_電磁(ci)兼(jian)容_直流電源輸(shu)入端(duan)口電壓暫降、短時中斷和(he)電壓變(bian)化的抗擾度(du)試(shi)驗(yan)