2753| 4
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EC軸承上熱補償環(huán)的材料是什么�,�,? |
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點評
EC這個材料用手感覺是硬度,,不是密封圈哪種橡膠
EC這個是軸承溫升后,,補償軸承與軸套之間膨脹間隙的呀
你說的是O型圈吧?
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