Unverified90% confidenceDecision RuleTime unknown
购买镁棒前必须先确认热水器排污口/镁棒安装口螺纹规格，家用储水式电热水器主流为3/4英寸（约21mm）和1英寸（约27mm）两种，误用会导致漏水或无法安装
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