Unverified90% confidenceCautionTime unknown
穿芯导线（含绝缘层）外径大于互感器窗口内径时不要买，窗口应比导线外径大3-5mm留出安装余量，母排型要核对母排宽厚尺寸而非圆孔
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90%
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Long-term
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Unverified窗帘盒空间高度＜8cm或深度不足时不建议选大扭矩滚筒式电机，安装会顶盒；应先量窗帘盒尺寸再选超薄电机（部分卷帘电机可做到直径35mm以内）80% similarUnverified购买前需实测插排长×宽×高，防护盒内腔应比插排各边预留至少15-20mm余量，因插头和电线接口会占用额外空间，仅按插排本体尺寸选购常导致盖不上79% similarUnverified购买前必须核对笼具的长宽高三维尺寸而非仅看笼型号，同型号笼具不同批次尺寸可能有±2cm偏差，遮光罩应比笼体尺寸大3-5cm以保证完整覆盖不漏光79% similarUnverified框内安装（窗洞内）需精确测量宽高各处取最小值并预留5-10mm间隙防卡，框外安装（覆盖窗洞）宽度需比窗洞两侧各多出3-5cm提升遮光并遮挡边缘缝隙79% similarUnverified定制百叶通常需预留窗框尺寸误差：内嵌安装成品宽度比实测窗框内宽小0.5-1cm，外装宽度比窗口每侧多5-8cm以保证遮挡79% similar
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