上次炼铜虽然成功了，但是太费燃气了，老大南重新打造熔金炉迷你版 Boss Nan remakes the mini version of the gold melting furnace

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大南实验室系列 Da Nan Laboratory Series： • 大南實驗室 Da Nan Laborator...
炼金术士系列 Alchemist Series： • 煉金術士系列 Alchemist Series
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