stone drill

英 [stəʊn drɪl]

美 [stoʊn drɪl]

网络  岩石钎子; 石钻

英英释义

noun

• a drill for penetrating rock
  Synonym:bore bitborerrock drill

双语例句

• The gastroscope electric stone crushing drill has the advantages of easy use, simple structure, good effect of stone dissolving, low cost, etc.
  并具有使用方便，结构简单，溶石效果好，成本低廉等优点。