The safetyassessmentof ultra-deep drilling rig has important significance for effectively preventing and reduction accidents and reducing casualties and property damage.
超深井钻机的安全评估对有效的预防和减少事故的发生,减少财产损失和人员伤亡等方面有重要的意义。
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Through analysis ofassessment results, the Suggestions to improve the drilling rigsafety is made, the correctness of the method is shown, too.