To design and develop the new materials.

⑹新材料地开发设计。

youdao

Collect marketing information, and look for new materials, research and develop new products.

搜集市场信息、寻找新材料、研发新产品。

youdao

Collect marketing information, and look for new materials, research and develop new products.

搜集市场信息、寻找新材料、研发新产品。

youdao