- rcm
- 环: ring; hoop
- 反应: neaction
- 复分解反应: double decomposition reaction; double decomposition reation; double-decomposition reaction; metathesis reaction (chemistry); metathetical reaction; metatheticalreaction; replacement reaction
- 直换反应；复分解反应: replacement reaction
- 置换反应 复分解反应: replacementreaction
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