The twin curved glass incised with an abstract pattern stabilizes three spaces: one internal, one external and one interspatial.
上面雕刻有抽象图案的双曲面玻璃使三个空间（内部空间，外部空间和层际空间）稳固下来。
2
Corresponding to the demands, done such jobs:(1) Analyzed the limitation of spring-power obturation mechanism, applied the conjugate cam to renew the mechanism and created the interspatial model.