起qi重zhong機ji運yun行xing電dian機ji是shi一yi種zhong特te種zhong電dian機ji，屬shu於yu自zi製zhi動dong異yi步bu電dian動dong機ji，融rong電dian動dong機ji和he製zhi動dong裝zhuang置zhi為wei一yi體ti
，具ju有you起qi動dong轉zhuan矩ju大da，過guo載zai能neng力li強qiang，製zhi動dong安an全quan可ke靠kao
，結jie構gou緊jin湊cou等deng優you點。