[KongchangAI]
Unverified90% confidenceCautionTime unknown

纳米海绵的莫氏硬度可达3-4,会划伤钢琴烤漆、亚克力、汽车漆面、手机屏幕及高光家具,这类表面应改用超细纤维布而非纳米海绵

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Long-term
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