Read Edit View history 扩孔 kuòkǒng ream Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 扩孔/擴孔 · kuòkǒng · ream 2026/03/04 扩孔 / 擴孔 kuòkǒng ream to enlarge or widen an existing hole or tube, especially using a mechanical tool 工程师建议使用扩孔技术来增大管道的直径。 created sense Mar 4, 2026, 02:25 AM