three-ring

英 [θ'riːr'ɪŋ] 　 　 美 [θ'riːr'ɪŋ] 　 　
  • [化] 三元环

three-ring的相关资料：

临近单词

three out three three-position valve three-lens condenser three-phase symmetry three-square scraper three fishery problems three-stage sampling three-quarter sleeve three thousand and ten three-cup anemometer three-membered rings
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