[KongchangAI]
Unverified85% confidenceFactTime unknown

硅胶管耐温范围-40℃~200℃且不易老化变脆,PVC管长期使用会硬化开裂,寒冷地区户外使用优先硅胶或食品级TPE材质

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85%
Confidence
Long-term
Relevance
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