短語詞組短語travelling derrick crane 移動式桅桿起重機parallelly travelling cable crane [機]平移式纜索起重機travelling jib crane 移動旋臂起重機travelling overhead crane 天車travelling bucket crane 移動式抓斗起重機travelling luffing crane 移動式俯仰起重機travelling portal crane 移動門座起重機travelling bridge crane 移動橋式吊車travelling tower crane 移動塔式起重機 返回 travelling crane