英语词汇key punch是什么意思，key punch的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	key punch
释义	key punch　穿孔机
随便看	section of the rail section of the rail section of train section off section output section paper section pattern section plan section plane section plane section preparation section razor section rolling section sensitivity section spacing section staining Section Start section start section steel section theory section thickness section tool house section valve section warping section wire

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