magnetic tape master file

例句：

1. 1.The company's new product launch is scheduled for next month.
   该公司的新产品发布会计划在下个月举行。
2. 2.The engineer used the magnetic tape master file to create a new design.
   工程师使用磁带主文件创建了一个新的设计。
3. 3.The data was stored on a magnetic tape master file and then transferred to the computer.
   数据被存储在磁带主文件中，然后传输到计算机上。