“ring-and-bead sight”的概念、定义、翻译、参考文献-科学参考

单词	ring-and-bead sight
释义	ring-and-bead sight [¦riŋ ǝn ¦bēd ´sīt] ^ORDNANCE Type of gunsight in which the front sight is a bead or post and the rear sight a ring.
随便看	potassium silicate potassium silicofluoride potassium sodium ferricyanide potassium sodium tartrate potassium sorbate potassium stannate potassium stibnate potassium sulfate potassium sulfide potassium sulfite potassium sulfuret potassium tetraiodocadmate potassium thiocyanate potassium undecylenate potassium xanthate potato potato stone pot clay pot core pot die forming pot earth potential potential barrier potential density potential difference

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