A new kind of strength design method of gun barrel and corresponding safety coefficient choice range were presented, and the strength failure process of gun barrels was analyzed.
提出了一种火炮身管强度设计的新方法和基于该方法的安全系数选择方案，分析了身管强度失效过程。
The method of strength reduction is used widely in solving the anti-slide safety coefficient of the base of dam.
强度折减方法是目前求解坝基抗滑稳定安全系数的常用方法。
The elevator design has used the haulage type transmission and negative strength control technology, the essential spot USES the duplet bond control technology, has promoted the safety coefficient.
提升机设计采用了曳引式传动和负力控制技术，关键部位采用双键控制技术，提升了安全系数。
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