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  <loc>https://graphitemachining.cn/2026/07/troubleshooting-reference-five-root-cause-categories-for-frequent-graphite-crucible-perforation/</loc>
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   <news:title>Troubleshooting Reference: Five Root Cause Categories for Frequent Graphite Crucible Perforation</news:title>
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   <news:title>XRD Graphite – Oxidation-Resistant Graphite Rotor: Process Flow &amp;#038; Quality Control Standards</news:title>
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