Partially Verified65% confidenceDecision RuleTime unknown

天然气（甲烷）密度比空气轻会上升，检测仪应安装在距天然气灶具/管道上方30cm内、距天花板≤30cm处；液化石油气（丙烷/丁烷）密度比空气重会下沉，应安装在距地面≤30cm处

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燃气泄漏检测仪category

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Unverified天然气（甲烷）比空气轻，报警器应安装在天花板下30cm内；液化气（丙烷）比空气重，应安装在距地面30cm内。装错高度会导致漏气无法检测90% similar Unverified天然气（甲烷）比空气轻，报警器必须安装在灶具上方30cm内、距顶棚≥30cm的高位；液化气（丙烷/丁烷）比空气重，必须安装在距地面30cm内的低位，装错位置等于失效89% similar

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