冲击钻
chōng​jī​zuàn

hammer drill

  • created sense approved 冲击钻/衝擊鑽 · chōng​jī​zuàn · hammer drill

    冲击钻 / 衝擊鑽

    chōng​jī​zuàn

    hammer drill

    a power tool used for drilling into hard materials such as concrete or masonry, combining rotation with a hammering action

    他正用冲击钻在混凝土墙上钻孔。

    created sense