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中文摘要：
详细说明了磨料射流钻割一体压控钻头结构组成及其工作过程，介绍了高压磨料射流切割煤岩原理，通过试验，总结分析了磨料硬度、磨料粒径以及磨料流量对钻头切割性能的影响。
英文摘要：
Abstract：The structure and the working process of the abrasive water jet drilling - cutting aiguille were illuminated. The mechanism of high - pressure abrasive jet breaking coal and rock simply was introduced, through the experiment, the influence of the cutting performance was analyzed, which made by hardness ＆ size ＆ flux of the abrasive.
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