pentafluoride英pentə'flʊəraɪd美pentə'flʊəraɪdBNC¹⁷³⁹⁹⁵⁺² 基本例句 五氟化物¹⁰⁰ In this paper, the solubility of phosphorus pentafluoride in aether has also been studied. 本文还研究了五氟化磷在乙醚中的溶解度。 iciba This article gives a brief introduction of the property and preparation of Iodine Pentafluoride. 本文简要地介绍了五氟化碘的性质及其制备方法。 chemyq