Meaning of word 钻眼
Writing Sheet
Word
Pinyin zuān yǎn
Phonetic Notation ㄗㄨㄢ ㄧㄢˇ
word Meaning

◎ 钻眼 zuānyǎn

[drill] 用凿岩机钻进或向下钻孔

扩孔、钻眼、磨孔也被认为是钻孔作业

Meaning in Internet

钻眼

  • 钻眼，用锥状的物体在另一物体上转动穿孔。