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。
The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility.
工作面煤样和顶板冲击倾向性测试结果表明，该煤层属于高冲击倾向性煤层，具有发生冲击矿压的能力。
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