6184| 4
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為什么合金的熔點比純金屬要低? |
點評
固體金屬融化需要破壞結構嗎??
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點評
固體金屬融化需要破壞結構嗎??
| ||
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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