钻孔

Traditional form:

鑽孔

Pinyin (reading):

zuānkǒng

Definitions:

• to bore a hole
• to drill
• drilled hole

Characters:

• 钻 - diamond; to bore, to drill, to pierce
• 孔 - opening, hole, orifice; great

Traditional characters:

• 鑽 - diamond; to bore, to drill, to pierce
• 孔 - opening, hole, orifice; great