直流电动机起动\psbdcmotor.mdl ..............\sepdcmotor.mdl ..............\serdcmotor.mdl ..............\shuntdcmotor.mdl ..............\直接起动\sepdcmotor.mdl ..............\........\seriesdcmotor.mdl ..............\........\shuntdcmotor.mdl ..............\降压软起动\sepdcmotor.mdl ..............\..........\seriesdcmotor.mdl ..............\..........\shunddcmotor.mdl ..............\直接起动 ..............\降压软起动 直流电动机起动