短語詞組短語traveling gantry crane method 移動門吊法traveling forge crane 鍛造用移動式起重機(jī)traveling gantry crane 移動式龍門起重機(jī)traveling -crane dispatch 行車調(diào)度t traveling crane used t 橋式起重機(jī)Overhead traveling crane 高空移動行車traveling crane load 行車荷載traveling crane molten steel 天車鋼水general overhead traveling crane 通用橋式起重機(jī) 返回 traveling crane