[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

暗埋敷设优先选PVC冷弯管(可徒手弯曲不需热熔),管壁厚度需≥1.5mm(普通型)或≥2.0mm(中型M),承重区域用重型H型

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90%
Confidence
Long-term
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