?钻井装置
... piercer 钻孔器；冲孔 piercing drill 钻井装置 piercing fold 刺穿褶皱 ...
?穿心钻
... piercing mill 穿孔机,穿轧机... piercing drill 穿心钻 rotary piercing 回转冲孔,旋转穿孔,...
?火钻
火钻
熔化钻机
熔化穿孔机
火力钻机
The piercing sounds of that old drill sent my heart into palpitations.
NPR: Letters: Zarif, the Dentist's Chair, and CFL Bulbs
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。