短語詞組短語labor force saving 節(jié)省了勞動(dòng)力labor -saving 節(jié)省勞動(dòng)力的Labor -saving technical progress 勞動(dòng)節(jié)約型技術(shù)進(jìn)步Labor cost saving 節(jié)省人工 返回 labor saving