词语穿孔卡片
解释pre punched reader card
pre punched reader card〔名词〕穿孔卡片详细»
穿孔卡片punched card详细»
穿孔卡片apertura card;punch card;punched card详细»
穿孔卡片punch card;punched card详细»
穿孔卡片pre punched reader card;unit record详细»
穿孔卡片punch card详细»
穿孔卡片pumch card详细»
穿孔卡片aperture card;punched card详细»