得用torch烧红,然后浇水,因为那个东西材料脆,在温度剧烈变化下会碎,然后再用小针把碎片掏出来。
得用torch烧红,然后浇水,因为那个东西材料脆,在温度剧烈变化下会碎,然后再用小针把碎片掏出来。
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