Unverified85% confidenceDecision RuleTime unknown
燃气用阀门材质需选黄铜或不锈钢并通过燃气认证,禁用普通铁质/劣质合金(易腐蚀卡死);水路可用304不锈钢,暖气高温环境优先耐温≥95℃阀体
1
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85%
Confidence
Long-term
Relevance
-
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