短語(yǔ)詞組短語(yǔ)grinding -in of valve 閥門的研磨crank pin grinding in -strument 連桿式曲柄銷磨削機(jī)cut -in grinding 切入磨削straight -in grinding machine 直進(jìn)外圓磨床licker -in grinding and covering machine 刺輥包磨機(jī) 返回 grinding-in