Unverified80% confidenceFactTime unknown
扣具是耐用性核心:塑料插扣长期使用会老化开裂,频繁开合或重装用途应选金属磁吸扣或军规塑钢扣(如Duraflex/ITW Nexus),劣质插扣半年内易断
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80%
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Long-term
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