打孔 [－－]

Jyutping daa2 hung2
Pinyin dǎ kǒng

Definitions (Wiktionary)
  1. verb
    to punch holes; to drill a hole; to perforate
    (syn.) 打窿, 打眼, 打洞
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）

打孔 [－－]

Jyutping
Pinyin dǎ kǒng

Definitions (CC-CEDICT)
  1. to punch a hole