青云翻译

Participate in domestic and nearly 10 times the size of mechanical and optical aspects of the exhibition

At home and abroad participate in nearly ten times the size of mechanical and optical exhibition

Participates in the domestic and foreign size near ten machineries and optics aspect unfolds the meeting

Both at home and abroad participate in size nearly 10 times the mechanical and optical aspects show

At home and abroad participate in nearly ten times the size of mechanical and optical exhibition