草图设计，并于结构工程师协作完成产品新产品结构设计。

Make draft drawing and cooperate with mechanical engineer to finish the detail mechanical design for products.

youdao

草图设计，并于结构工程师协作完成产品新产品结构设计。

Make draft drawing and cooperate with mechanical engineer to finish the detail mechanical design for products.

youdao