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§1 前言怎样选取强度设计的安全系数,是一个带全局性的问题,特别是象抓斗这种抓取工具,更是直接关系着设备的经济效果。为了说明问题,以2个10t的剪式抓斗为例,试作一比较。
§1 Preface How to choose the safety factor of strength design is a problem with the overall situation. Especially grabbing tools such as grab are directly related to the economic effect of equipment. To illustrate the problem, take two 10t scissor-type grab for example, try a comparison.