然后，另外的浪涌大多数通过薄铜板流动，因为铜具有比钨更高的传导性。
Afterward, additional surges flowed mostly through the thin copper layer because copper has higher conductivity than tungsten.
更多浪涌后，银板完全熔化，只留下带薄铜板的钨核。
After more surges, the silver completely melted away, leaving only the tungsten core with its thin copper plating.
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