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冲眼 chòngyǎn
met. centre-punch; hole punching
tech. dotting punch; punch
冲眼〔孔〕 chòngyǎn
construct. dotting punch
冲眼: 23 phrases in 11 subjects
Automobiles1
Drilling1
Earth sciences1
Engineering geology1
General2
Metallurgy3
Nursing1
Oil / petroleum5
Otorhinolaryngology1
Technology6
Textile industry1