... single safety factor method 单一安全系数法 safety drilling method 安全钻孔法 Building Fire Safety Evaluation Method 建筑防火评估方法 ...
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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。
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