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从六二年到现在的三年时间内,我们在钻孔弯曲的防治问题上,经历了“防治都不行——能治不能防——以防为主,以治为辅”这样一个实践认识再实践再认识的反复提高过程。先后共收集了七百八十八个数据;综合分析了五十二个钻孔资料;进行了一百三十
From 1992 to the present three years, on the issue of prevention and control of drilling and bending, we have gone through the practice of “prevention and treatment can not be done - prevention can not be prevented - prevention is priority and governance is auxiliary” Re-understanding of the practice to repeatedly improve the process. A total of 788 data were collected; a total of 52 borehole data were analyzed; one hundred and thirty