[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

气压强度越大冲击力越强,但对老旧PVC管道或胶粘接口有崩裂风险,20年以上老房或明装管道建议选中低压手动款或先用弹簧钻

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80%
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Long-term
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