The invention employs a compression joint mode, thereby ensuring sufficient contact area and reducing contact resistance. The leader joint has simple structure and convenient operation.
本发明采用压接方式，保证了充分的接触面，减小了接触电阻，其结构简单，操作方便。
The boron-doping technology and metallurgical micro-structure of die steel are discussed from the angle of its resistance to repeated shock compression.
结果指出：模具钢渗硼层在多次冲击压缩载荷下发生一定的塑性变形。
The earth pressure on the circular retaining structure is reduced by the soil arching effect, and the high compression resistance character is fully used.
圆形支护结构利用土的拱效应，降低了作用在支护结构上的土压力，同时将外部荷载转化为内部压力，充分发挥了混凝土抗压性能好的特点。
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