[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

水磨石(whetstone)使用前需泡水5-10分钟,油石(oilstone)需滴矿物油润滑,二者不可混用;陶瓷磨石无需泡水但脆易碎,新手建议从可泡水的合成刚玉磨石入手

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