“punch knife”的概念、定义、翻译、参考文献-科学参考

单词	punch knife
释义	punch knife [`pǝnch nīf] ^{COMPUTER SCIENCE} The part of the machinery of a card punch which cuts out a hole in a punch card.
随便看	superconducting computer superconducting cyclotron superconducting device superconducting gyroscope superconducting magnet superconducting magnetic energy storage superconducting material superconducting memory superconducting metal superconducting quantum interference device superconducting thin film superconductivity superconductor supercontinent supercooled cloud supercooling supercritical supercritical field supercritical flow supercritical fluid supercritical-fluid chromatography supercritical-fluid extraction supercritical mass supercritical reactor supercritical wing

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