神諭R天堂

標題: Dummies Overview To Hydrogen. [打印本頁]

---

作者: JessicaDod    時間: 前天 20:24
標題: Dummies Overview To Hydrogen.
Hydrogen, sign H, molecular formula h2 compound name is an anemic, odor free, unappetizing, combustible aeriform chemical material in the table of elements.

---

歡迎光臨 神諭R天堂 (http://xn--cksr0ar36ezxo.com/)

Powered by Discuz! X3