国产NQ绳索取心钻具的特点及应用分析

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The article mainly analyzed the features of the NQ wire-line coring drill（Domestic,import standards）, and coMPared to the S75 rope core drill, this laid the foundation for promote the NQ wire-line coring drill in Jiangxi Copper.分析了NQ绳索取心钻具（国产，进口标准）特点，并与普通的S75绳索取心钻具进行了分析比较。为在江西铜业集团公司推广NQ绳索取心钻具打下基础。