嗯，大概是碳更轻。至少在这之前，我认为一个原因碳合金不流行，是它硬度不如碳好，所谓不够stiff

来源: 羽绒服于 2023-10-17 17:25:52 [旧帖] [给我悄悄话] 本文已被阅读：次

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