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钻孔
鑽孔
zuānkǒng
1. to bore a hole
2. to drill
3. drilled hole

Character Breakdown

钻
zuān
diamond; to bore, to drill, to pierce
HSK 6 10 丶
孔
kǒng
opening, hole, orifice; great
HSK 6 4 丶

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Category
Chinese