青云翻译

For the manufacture of various types of mechanical parts, components, materials and manufacturing processes in the mechanical application of process materials in the

Materials used in the manufacture of all types of machinery parts, components and technology applied in mechanical manufacturing process materials

Uses in making each kind of machine parts, the component material and the craft material which applies in the machine manufacture process

used in the manufacture of all types of machinery spare parts, components and materials used in machinery manufacturing process of craft materials

Materials used in the manufacture of all types of machinery parts, components and technology applied in mechanical manufacturing process materials