mulberry cortex fiber

• 桑皮纤维

mulberry cortex fiber的用法和样例：

例句

1. Proactively support R &D for new type fibres such as mulberry fibre and key technology research for ramie fibre and promote industrialization of new feature silk and hemp fibre.
   积极支持桑皮纤维等新型纤维研发和苎麻纤维关键技术攻关，促进丝麻新型特色纤维等产业化发展。