Unverified80% confidenceDecision RuleTime unknown
尺寸应比床垫小10-20cm（如1.5米床选1.5×1.7m毯而非满铺），四周留边可避免电热丝被床垫边缘反复弯折损坏，也防止毯子从床边垂落触地受潮
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80%
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Long-term
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Unverified尺寸应比床垫小5-10cm，四周留边避免电热丝弯折在床沿受压损坏；1.5米床选150×120cm，1.8米床选180×150cm94% similarUnverified尺寸选择应比床垫小10-20cm，四周留边，避免电热丝在床边被反复弯折或压折导致断裂短路；1.5m床选150×120cm，1.8m床选180×150cm93% similarUnverified尺寸应比床垫每边小10-15cm，避免毯体边缘垂到床外被折叠挤压导致发热丝断裂；1.5m床选150×180cm，1.8m床选180×200cm规格92% similarUnverified尺寸应比床垫小10-20cm，避免电热丝弯折到床沿边缘造成局部过热断丝，1.5米床选1.5×0.7m单人或1.5×1.8m双人款91% similarUnverified尺寸选择应比床垫小一圈：单人床选150×80cm，1.5米双人床选150×120cm，1.8米床选180×150cm，电热毯超出床垫边缘悬空易被压折损坏发热丝91% similar
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