The ordinary design method for drilling machine parts-safe coefficient method can not ensure the safety of the product.
常规的钻探机械零件设计方法即安全系数法并不能回答其产品的安全性问题。
Through analysis of assessment results, the Suggestions to improve the drilling rig safety is made, the correctness of the method is shown, too.
通过分析评估结果，对提高钻机安全性提出了改进建议，说明了方法的正确性。
Through analysis of assessment results, the Suggestions to improve the drilling rig safety is made, the correctness of the method is shown, too.
通过分析评估结果，对提高钻机安全性提出了改进建议，说明了方法的正确性。
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