可别小看这个玩泥土沙子的乡巴佬，康宁是陶瓷和玻璃材料大王，光纤制造先驱，特殊材料领域未来可期

来源: 水云闲一于 2026-02-01 12:09:02 [旧帖] [给我悄悄话] 本文已被阅读：次

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