microfilm reader 缩微胶卷阅读机
archival microfilms 档案缩微胶卷
microfilm storage 缩微胶卷存储
A: Do you know where I can find the old records?
A：你知道在哪里可以找到那些旧记录吗？
B: You should check the microfilms in the history section.
B：你应该去历史区的缩微胶卷那里找找。
1) 缩微胶卷（复数）
2) 微缩胶片
1. 缩微胶卷
noun
1. Small sheets of film containing miniaturized photographic images of documents or photos, used for archiving.