[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

管径越大穿线越好抽换、散热越好,但占用墙体开槽深度越大、成本越高;家用普通照明插座回路20mm PVC管即为主流平衡点,无需盲目上25mm以上

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80%
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Long-term
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