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利用每米综合成本计算方法和“盈亏平衡曲线”图分析方法对棋北三井三开上部并段使用的金刚石钻头进行经济性分析,并得出结论。
The economic analysis of the diamond drill bit used in the upper section and the upper section of the third section of Chekiangbei Mitsui was carried out by using the method of comprehensive cost per meter and the method of “breakeven curve”, and the conclusion was reached.