Its key is to eliminate unlimited blocks and movable blocks, find out and study the key block at free face, and propose rational reinforcement measures for potential instable blocks.

其核心可归结为排除无限块体和不可动块体找出临空面上的关键块体，对其进行分析研究并对可能失稳的块体提出合理的加固措施。

The central section consists of glass block and timber garage door at ground floor level, a sliding window, stone cladding and movable louvres.

中央部分包括玻璃体块、首层的车库木门，滑动窗、石头表皮和活动百叶窗。

By controlling the wedge block and springs, its punches and movable plate blocks achieve the horizontal punch movement.

该模具的凸模和活动凹模镶块分别在斜楔和楔形滑块作用下水平相向运动完成冲裁。