1)lead through-hole (LTH),引线通孔2)pin-through-hole,引脚通孔3)wire through substrate,孔引线4)wire holes,引线孔5)via pin,通路引线6)fairlead,引线孔，引线管，导引片
用法和例句
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.