20:39 Aug 9, 2020 |
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Chinese to English translations [PRO] Bus/Financial - Mining & Minerals / Gems / Cloud Copper and cobalt mine due diligence projectcommunication | |||||||
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5 | The same piece of core should be measured by along the fully circular barrel section |
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3 | drilling must be full-hole coring |
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drilling must be full-hole coring Explanation: http://www.drillersworld.com.au/UploadedFiles/Other/3541994B... |
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The same piece of core should be measured by along the fully circular barrel section Explanation: Translation of the sentence : Rock Quality Designation (RQD) : the same piece of core should be measured by along the fully circular barrel section, Rock Quality Designation measure rate should be more than 75%, Core breaks and an interval of a borehole measure rate should be more than 80%, the core recovery measure rate not less than 80%. Example sentence(s):
Reference: http://pdhonline.com/course/c250/FHWA_Drilling_Sampling_Soil... |
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