[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

门窗密封选EPDM三元乙丙橡胶,耐紫外线和臭氧老化,户外可用8-10年;PVC胶条价格低但2-3年易硬化开裂,仅适合室内门缝

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