?边缘穿孔卡片

边缘穿孔机 edge-punched punch; 边缘穿孔卡片 edge-punched card; verge-perforated card; margin-perforated card; marginal punched card; 边缘床层 bounded beds; ..

?边缘打孔卡

... 边缘相位 margin phase 边缘打孔卡 margin-perforated card 边缘打孔卡 margin-punched card ...