1)wire holes,引线孔2)wire through substrate,孔引线3)lead through-hole (LTH),引线通孔4)fairlead,引线孔，引线管，导引片5)lead bushing,引线导管，引线孔板6)up shaft insulation,轴心孔引线绝缘
用法例句
This paper puts forward a new method to recognize the wire holes in IC images, which can fastly and effectively recognize the wire holes and get their centers.
