A new rigid-rod high performance polymer fiber, called commercially M5, has been developed by Akzo Nobel.

介绍了一种新型的刚性高性能聚合物纤维，商品名为M5。

youdao

A new rigid-rod high performance polymer fiber, called commercially M5, has been developed by Akzo Nobel.

介绍了一种新型的刚性高性能聚合物纤维，商品名为M5。

youdao