Unverified80% confidenceTradeoffTime unknown
砂纸目数越细抛光越亮但耗时越长，塑料机身（PC/亚克力）用到3000目即可透亮，继续上5000-7000目对塑料提升有限却成倍增加工时
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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