相關字詞組
最近查詢過的單字

天火字典

英日字典: star_drill



The star_drill has 1 Senses.

  • star drill
  • a steel rock drill with a star-shaped point that is used for making holes in stones or masonry; it is operated by hitting the end with a hammer while rotating it between blows
  • 石または石造りの穴を作るために使われる星型の点のある鋼の削岩機

返回 →