[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

燃气管道自动切断阀须匹配管径规格,家用燃气管道多为DN15(4分)和DN20(6分),选购前需确认表后阀接口尺寸,DN15阀门无法直接用于6分管路,需加转换接头会增加漏气风险点

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