As Facebook's popularity exploded, Zuckerberg packed up his bags and relocated the fledgling19 company to Palo Alto, California, forever leaving behind Harvard's hallowed20 halls.
3
叙述了玻璃托的零件结构及成形工艺,介绍了落料压凸模、一次弯曲模和二次弯曲模的模具结构及设计要点。
The structure and stamping technology of glass bracket were elaborated. At the same time, the blanking die, bending die for one time and bending die for two times were also introduced.