金属加工专业术语中英对照
超声波打孔机床 ultrasonic drilling machine n.超声波加工 ultrasonic machining n.下［底，根］切，从下部切开，切去下部，沉割，切槽 undercut n.;v.万能镗刀 universal boring tool n.万能车床 universal lathe n.语际翻译 版权所有
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