[KongchangAI]
Unverified75% confidenceFactTime unknown

圆形皮带(O型带)多用于缝纫机、录音机等轻载场景,选购按线径(如3mm、5mm)和自由内径确定,装配后应保持轻微张力不松垮

1
Sources
75%
Confidence
Long-term
Relevance
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First Seen

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