[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

选购O型密封圈需同时匹配三个参数:内径(ID)、线径(CS截面直径)、材质硬度(邵氏A50-70),仅看内径易买错;水管接口密封件多用EPDM三元乙丙,耐水耐候优于NBR

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Long-term
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