Unverified80% confidenceDecision RuleTime unknown
缝线检查看接缝处针脚密度，每3cm针脚数≥12针为结实；用手反向轻拉接缝，能看到明显缝隙露出填充物的说明缝线过疏，易脱线漏棉
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80%
Confidence
Long-term
Relevance
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