n.穿孔的
動(dòng)詞punch的過(guò)去式和過(guò)去分詞形式.
Printing on paper tape or cards the meaning of the holes punched on the same tape or cards. 在紙帶或卡片上,譯印出該紙帶或卡片上所穿孔的含義。
預(yù)先穿孔