Read Edit View history 凿岩机 záoyánjī rock drill Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 凿岩机/鑿岩機 · záoyánjī · rock drill 2026/03/04 凿岩机 / 鑿岩機 záoyánjī rock drill rock drill 工人们正在用凿岩机在隧道里钻孔。 created sense Mar 4, 2026, 02:25 AM