Unverified82% confidenceDecision RuleTime unknown
焊接（高频热合）接缝比缝线+胶条更可靠，缝线工艺的针孔靠胶条封闭，长期使用胶条易老化脱胶，选无缝焊接结构的袋体
1
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82%
Confidence
Long-term
Relevance
-
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