Unverified78% confidenceDecision RuleTime unknown
反复清洗复用的海绵塞出现回弹变慢、膨胀不完全或发黄发硬即应更换,膨胀率下降会显著降低实际隔音,通常单副海绵塞使用寿命2-4周
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78%
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Long-term
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