橋式起重機,是一種類xingdeqizhongjizaigongyehuanjingzhong。gaojiaqizhongjiyoupingxingdepaodaozucheng,xingjinqiaohengkuagaijianxi。yigehulu,qizhongjideqizhongbujian,yanzheqiaoxingshi。ruguoqiaozaidimianshanggudingzaigudingdaoguishangdelianggehuoduogezhituishangshoudaogangxingzhicheng,zegaiqizhongjichengwei龍門起重機或巨人起重機。