Unverified88% confidenceDecision RuleTime unknown
线槽内部有效宽度应预留实际线缆总直径的1.5倍以上，例如3根HDMI线（约7mm/根）需选内宽≥30mm的线槽，避免塞满导致弯折损伤和散热差
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88%
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Long-term
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Unverified线槽内径应预留线缆总截面积的40%余量：如4根HDMI/网线（每根约6mm）建议选内径≥20mm的线槽，塞满会导致后期无法增线和散热差87% similarUnverified线缆通过量大（超过5-6根含电源线、显示器线、USB集线器线）时应选带活动翻盖或大开口的孔盖，翻盖开口宽度需≥25mm，否则理线时线缆挤压导致盖片无法闭合83% similarUnverified线缆保护弹簧的内径应比线缆直径大0.5-1mm，过紧会压伤线缆外皮，过松则无法固定容易脱落，充电线一般选内径3-4mm83% similarUnverified选购热缩管时内径应为待包裹线缆直径的1.2-2倍，收缩后能收紧到线缆的即可；收缩比常见2:1，若接头处有明显膨大（如焊点、连接器）应选3:1或4:1的高收缩比款82% similarUnverified线缆长度5米适合车位规整场景，充电口在车尾但插座在墙侧时建议7-10米；线缆越长内阻越大，长线机型截面积应≥2.5mm²以避免压降和发热82% similar
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