短語詞組短語fuel oil saving efficiency 燃油節(jié)能傚率Specific fuel energy saving 比燃料能源節(jié)約fuel oil saving 節(jié)約燃油fuel -saving bulk carrier 節(jié)油型散裝貨船fuel saving jet 省油的噴氣發(fā)動機(jī)Fuel saving automobiles 小排量車marine fuel saving 船舶燃料節(jié)約 返回 fuel saving