在不同生长期收割苎麻，然后分别对其纤维结构及品质进行了研究。

The fiber structure and quality of the ramie with different growth period were researched.

youdao

在不同生长期收割苎麻，然后分别对其纤维结构及品质进行了研究。

The fiber structure and quality of the ramie with different growth period were researched.

youdao