The optimum design of impact drilling machine tower system can be developed based on the data and result.
以上计算和分析的结果，对冲击钻机钻塔系统优化设计具有实际应用价值。
The characteristic and mechanism of impact drilling machine are introduced followed by the summary of the present status of impact drilling machine tower researches at home and abroad.
本文首先介绍了冲击钻机的特点及工作原理，综述了国内外冲击钻机塔架的研究现状。
The characteristic and mechanism of impact drilling machine are introduced followed by the summary of the present status of impact drilling machine tower researches at home and abroad.
本文首先介绍了冲击钻机的特点及工作原理，综述了国内外冲击钻机塔架的研究现状。
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