短語詞組短語gantry y crane 門型起重機;龍門吊gantry y crane system 門式起重機裝置gantry container crane 集裝箱龍門起重機;[機]集裝箱門式起重機propelled gantry manure crane 自走式廄肥高架起重機gantry of crane 起重機門架gantry mast crane 門架式桅桿起重機gantry -crane tower 高架起重維護塔gantry transfer crane 門式搬運起重機gantry grab crane 門式抓鬭起重機 返回 gantry crane