短語詞組短語Reduction in machine parts replacement 減少設備零部件的更換Noise reduction of machine tool 機床降噪string reduction machine [計]串歸約機graph reduction machine [計]圖歸約機abstract reduction machine 抽象圖歸約機Forging Reduction Machine 鍛縮機buy Weight Reduction Machine 巴西買家dust reduction machine 降塵器 返回 reduction machine