magnetic recording material造句

例句与造句

1. Lucky film group , china ' s largest scientific research and production base for sensitive materials , magnetic recording materials , was founded in june
   1992年6月，中国最大的感光材料和磁性记录材料研究生产基地- -中国乐凯集团公司成立。
2. It's difficult to find magnetic recording material in a sentence. 用magnetic recording material造句挺难的