We particularly expatiated some key technology about CSP: structure designing technology, Solder Bumping making technology, envelopment technology, testing technology.
详细阐述了CSP的几项主要的关键技术：即结构设计技术，凸点制作技术，包封技术和测试技术。
Control of bridge approach settlement is a key problem to prevent from bumping at bridge head.
桥头引道沉降控制是防止桥头跳车现象的关键问题。
应用推荐