Hardware mechanical and electrical products.
五金机电产品。
To prepare technical drawing and documents for electrical products;
为电气产品准备图纸和相关文档；
Plateau adaptation of mechanical and electrical products research and development.
机电产品高原适应性研究及开发。
Plateau adaptation of mechanical and electrical products research and development.
机电产品高原适应性研究及开发。
应用推荐