Unverified85% confidenceFactTime unknown
标称耐水压需结合接缝处理判断：涂层达标但接缝未压胶或未涂密封胶时，缝线针孔仍会渗水，是天幕实际漏水最常见原因
1
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85%
Confidence
Long-term
Relevance
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Unverified缝线处理是防水关键：即使面料耐水压高，若缝线未做压胶（贴条）处理，针孔仍会渗水；选购时确认标注'seam-sealed/全压胶'90% similarUnverified看防水等级要认准焊接接缝（Welded Seams）而非车缝线，车缝的针孔是漏水主要来源，即使表面涂层防水也会从缝线渗透87% similarUnverified宣称'防水'需区分防泼水与全防水：仅面料防泼水的针线接缝仍会渗漏，装液体或需雨天使用应确认底部及接缝有热压/焊接工艺86% similarUnverified判断真正防水看接缝工艺：车缝线针孔本身会渗水，只有做了压胶条（贴条）密封的接缝才能真正防止大雨渗漏，普通车缝未贴条的号称防水实为泼水86% similar
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