A.可以在重載下起動(dòng)B.電能損耗大,經(jīng)濟(jì)性差C.起動(dòng)設(shè)備簡(jiǎn)單,經(jīng)濟(jì)可靠D.起動(dòng)效果好,但價(jià)格較貴
A.電能損耗大,經(jīng)濟(jì)性差B.起動(dòng)設(shè)備簡(jiǎn)單,經(jīng)濟(jì)可靠C.起動(dòng)性能好D.設(shè)備較復(fù)雜,投資較高