[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

激光雕刻速度快、精度高、适合复杂图案和批量,但边缘有焦黑碳化痕;手工/CNC机雕呈现天然木色切面,立体感强但成本与周期高——礼品建议CNC,标识批量选激光

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